|
Serranidae
The Serranidae are a large family of fishes belonging to the order Perciformes. The family contains about 450 species in 65 genera, including the sea basses and the groupers (subfamily Epinephelinae). Although many species are small, in some cases less than , the giant grouper (''Epinephelus lanceolatus'') is one of the largest bony fishes in the world, growing to in length and in weight. Representatives of this group live in tropical and subtropical seas worldwide. Characteristics Many serranid species are brightly colored, and many of the larger species are caught commercially for food. They are usually found over reefs, in tropical to subtropical waters along the coasts. Serranids are generally robust in form, with large mouths and small spines on the gill coverings. They typically have several rows of sharp teeth, usually with a pair of particularly large, canine-like teeth projecting from the lower jaw. All serranids are carnivorous. Although some species, especial ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grouper
Groupers are fish of any of a number of genera in the subfamily Epinephelinae of the family Serranidae, in the order Perciformes. Not all serranids are called "groupers"; the family also includes the sea basses. The common name "grouper" is usually given to fish in one of two large genera: '' Epinephelus'' and ''Mycteroperca''. In addition, the species classified in the small genera ''Anyperidon'', ''Cromileptes'', ''Dermatolepis'', ''Graciela'', ''Saloptia'', and ''Triso'' are also called "groupers." Fish in the genus ''Plectropomus'' are referred to as "coral groupers." These genera are all classified in the subfamily Epiphelinae. However, some of the hamlets (genus ''Alphestes''), the hinds (genus ''Cephalopholis''), the lyretails (genus ''Variola''), and some other small genera (''Gonioplectrus'', ''Niphon'', ''Paranthias'') are also in this subfamily, and occasional species in other serranid genera have common names involving the word "grouper." Nonetheless, the word "g ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pseudanthias
''Pseudanthias'' is a genus of colourful reef fishes of the subfamily Anthiinae, part of the family Serranidae, the groupers and sea basses. They are found in the Indo-Pacific. The species belonging to this genus have a diet consisting of zooplankton, and are haremic. Fishes currently included in this genus were earlier part of the genus ''Anthias''. ''Pseudanthias'' is the largest anthiine genus Species These are the currently recognized species in this genus: * '' Pseudanthias albofasciatus'' ( Fowler & B. A. Bean, 1930) * '' Pseudanthias aurulentus'' ( J. E. Randall & McCosker, 1982) * '' Pseudanthias bartlettorum'' ( J. E. Randall & Lubbock, 1981) (Bartletts' anthias) * ''Pseudanthias bicolor'' ( J. E. Randall, 1979) (Bicolor anthias) * '' Pseudanthias bimaculatus'' ( J. L. B. Smith, 1955) (Two-spot basslet) * '' Pseudanthias bimarginatus'' J. E. Randall, 2011 (Margined anthias) * '' Pseudanthias calloura'' H. Ida & Sakaue, 2001 (Aurora anthias) * '' Pseudanthias caudal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Protogynous
Sequential hermaphroditism (called dichogamy in botany) is a type of hermaphroditism that occurs in many fish, gastropods, and plants. Sequential hermaphroditism occurs when the individual changes its sex at some point in its life. In particular, a sequential hermaphrodite produces eggs (female gametes) and sperm (male gametes) at different stages in life. Species that can undergo these changes from one sex to another do so as a normal event within their reproductive cycle that is usually cued by either social structure or the achievement of a certain age or size. In animals, the different types of change are male to female (protandry or protandrous hermaphroditism), female to male (protogyny or protogynous hermaphroditism), bidirectional (serial or bidirectional hermaphroditism). Both protogynous and protandrous hermaphroditism allow the organism to switch between functional male and functional female. Bidirectional hermaphrodites have the capacity for sex change in either directi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Perciformes
Perciformes (), also called the Percomorpha or Acanthopteri, is an order or superorder of ray-finned fish. If considered a single order, they are the most numerous order of vertebrates, containing about 41% of all bony fish. Perciformes means "perch-like". Perciformes is an Order within the Clade Percomorpha consisting of "perch-like" Percomorphans. This group comprises over 10,000 species found in almost all aquatic ecosystems. The order contains about 160 families, which is the most of any order within the vertebrates. It is also the most variably sized order of vertebrates, ranging from the '' Schindleria brevipinguis'' to the marlin in the genus '' Makaira''. They first appeared and diversified in the Late Cretaceous. Among the well-known members of this group are perch and darters (Percidae), sea bass and groupers (Serranidae). Characteristics The dorsal and anal fins are divided into anterior spiny and posterior soft-rayed portions, which may be partially or com ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Giant Grouper
The giant grouper (''Epinephelus lanceolatus''), also known as the Queensland grouper, brindle grouper or mottled-brown sea bass, is a species of marine ray-finned fish, a grouper from the subfamily Epinephelinae which is part of the family Serranidae, which also includes the anthias and sea basses. It has a wide Indo-Pacific distribution and is one of the largest extant species of bony fish. Description The giant grouper has a robust body which has a standard length equivalent to 2.4 to 3.4 times its depth. The dorsal profile of the head and the intraorbital area are convex, The propercle has a rounded corner and a finely serrated margin. The gill cover has a convex upper margin. There are 11 spines and 14-16 soft rays in the dorsal fin while the anal fin has 3 spines and 8 soft rays. The caudal fin is slightly rounded. There are 54 to 62 scales in its lateral line. The adults are grayish-brown in colour overlain with a mottled pattern and with darker fins. The small juvenile ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sea Bass
Sea bass is a common name for a variety of different species of marine fish. Many fish species of various families have been called sea bass. In Ireland and the United Kingdom, the fish sold and consumed as sea bass is exclusively the European bass, ''Dicentrarchus labrax''. Sometimes referred to as sea bass include the following: Family Serranidae Family Serranidae * Genus '' Paralabrax'' ** Barred sand bass (''Paralabrax nebulifer'') lives mainly off the coast of California. * Genus '' Centropristis'' **Black sea bass (''Centropristis striata'') is found on the East Coast of the United States. * Genus ''Caesioperca'' ** Butterfly perch (''Caesioperca Lepidoptera'') is found in the eastern Indian Ocean and the southwest Pacific Ocean, including southern Australia and New Zealand. * Genus '' Caprodon'' ** Pink maomao (''Caprodon longimanus'') is found in the eastern Indian Ocean and the southern Pacific Ocean, including Australia and New Zealand. * Genus ''Epinephelus'' **Pota ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Humpback Grouper
The humpback grouper (''Cromileptes altivelis''), panther grouper, or (in Australia) barramundi cod is a species of marine ray-finned fish, a grouper from the subfamily Epinephelinae which is in the family Serranidae which also includes the anthias and sea basses. It occurs in the Western Pacific Ocean. Systematics The humpback grouper was first formally described as ''Serranus altivelis'' in 1828 by the French zoologist Achille Valenciennes (1794-1865) with the type locality given as Java. In 1839 the English naturalist William John Swainson (1789-1855) placed it in the subgenus ''Chromileptes'', which was later created as a monotypic genus. Swainson spelt the genus as ''Chromileptes'' although Fishbase spells it as ''Cromileptes''. Recent molecular analyses based on five genes show that ''Cromileptes altivelis'' is included in the same clade as species of ''Epinephelus''. Consequently, the species should be included in ''Epinephelus'' as ''Epinephelus altivelis''. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cromileptes
The humpback grouper (''Cromileptes altivelis''), panther grouper, or (in Australia) barramundi cod is a species of marine ray-finned fish, a grouper from the subfamily Epinephelinae which is in the family Serranidae which also includes the anthias and sea basses. It occurs in the Western Pacific Ocean. Systematics The humpback grouper was first formally described as ''Serranus altivelis'' in 1828 by the French zoologist Achille Valenciennes (1794-1865) with the type locality given as Java. In 1839 the English naturalist William John Swainson (1789-1855) placed it in the subgenus ''Chromileptes'', which was later created as a monotypic genus. Swainson spelt the genus as ''Chromileptes'' although Fishbase spells it as ''Cromileptes''. Recent molecular analyses based on five genes show that ''Cromileptes altivelis'' is included in the same clade as species of ''Epinephelus''. Consequently, the species should be included in ''Epinephelus'' as ''Epinephelus altivelis''. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chromileptes
The humpback grouper (''Cromileptes altivelis''), panther grouper, or (in Australia) barramundi cod is a species of marine ray-finned fish, a grouper from the subfamily Epinephelinae which is in the family Serranidae which also includes the anthias and sea basses. It occurs in the Western Pacific Ocean. Systematics The humpback grouper was first formally described as ''Serranus altivelis'' in 1828 by the French zoologist Achille Valenciennes (1794-1865) with the type locality given as Java. In 1839 the English naturalist William John Swainson (1789-1855) placed it in the subgenus ''Chromileptes'', which was later created as a monotypic genus. Swainson spelt the genus as ''Chromileptes'' although Fishbase spells it as ''Cromileptes''. Recent molecular analyses based on five genes show that ''Cromileptes altivelis'' is included in the same clade as species of '' Epinephelus''. Consequently, the species should be included in ''Epinephelus'' as ''Epinephelus altivelis''. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fish
Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of living fish species are ray-finned fish, belonging to the class Actinopterygii, with around 99% of those being teleosts. The earliest organisms that can be classified as fish were soft-bodied chordates that first appeared during the Cambrian period. Although they lacked a true spine, they possessed notochords which allowed them to be more agile than their invertebrate counterparts. Fish would continue to evolve through the Paleozoic era, diversifying into a wide variety of forms. Many fish of the Paleozoic developed external armor that protected them from predators. The first fish with jaws appeared in the Silurian period, after which many (such as sharks) became formidable marine predators rather than just the prey of arthropods. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bony Fish
Osteichthyes (), popularly referred to as the bony fish, is a diverse superclass of fish that have skeletons primarily composed of bone tissue. They can be contrasted with the Chondrichthyes, which have skeletons primarily composed of cartilage. The vast majority of fish are members of Osteichthyes, which is an extremely diverse and abundant group consisting of 45 orders, and over 435 families and 28,000 species. It is the largest class of vertebrates in existence today. The group Osteichthyes is divided into the ray-finned fish ( Actinopterygii) and lobe-finned fish ( Sarcopterygii). The oldest known fossils of bony fish are about 425 million years old, which are also transitional fossils, showing a tooth pattern that is in between the tooth rows of sharks and bony fishes. Osteichthyes can be compared to Euteleostomi. In paleontology the terms are synonymous. In ichthyology the difference is that Euteleostomi presents a cladistic view which includes the terrestria ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Monogenea
Monogeneans are a group of ectoparasitic flatworms commonly found on the skin, gills, or fins of fish. They have a direct lifecycle and do not require an intermediate host. Adults are hermaphrodites, meaning they have both male and female reproductive structures.L.A. Tubbsa et al. (2005). "Effects of temperature on fecundity in vitro, egg hatching and reproductive development of ''Benedenia seriolae'' and ''Zeuxapta seriolae'' (Monogenea) parasitic on yellowtail kingfish Seriola lalandi". ''International Journal for Parasitology''(35), 315–327. Some monogeneans are oviparous (egg-laying) and some are viviparous (live-bearing). Oviparous varieties release eggs into the water. Viviparous varieties release larvae, which immediately attach to another host. The genus ''Gyrodactylus'' is an example of a viviparous variety, while the genus ''Dactylogyrus'' is an example of an oviparous variety. Signs and symptoms Freshwater fish that become infected with this parasite become le ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
