''Paralabrax dewegeri'', the vieja, vieja parrot rock-bass or meo viejo, is a species of marine

ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are so called because their fins are webs of skin supported by bony or hor ...

, a sea bass from the

subfamily In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end subfamily botanical names with "-oideae", and zoologi ...

Serraninae The Serraninae is a subfamily of perciform ray-finned fishes in the family Serranidae. It is made up of ten genera and 87 species. Characters The fishes in the subfamily Serraninae, the serranines, are small species within the family Serranidae. ...

, classified as part of the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

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 case ...

which includes the

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 u ...

s and

anthias Anthias are members of the family Serranidae and make up the subfamily Anthiinae. Anthias make up a sizeable portion of the population of pink, orange, and yellow reef fishes seen swarming in most coral reef photography and film. The name Anthi ...

. It is found in the western Atlantic along the northern coast of South America.

Description

''Paralabrax dewegeri'' has an elongate compressed body with a pointed head. The preoperculum is smoothly rounded and has fine serrations along its edge. There are three spines on the gill cover, the topmost spine is blunt and rather small while the other two are sharp. The

dorsal fin A dorsal fin is a fin located on the back of most marine and freshwater vertebrates within various taxa of the animal kingdom. Many species of animals possessing dorsal fins are not particularly closely related to each other, though through conv ...

has 10 spines and 14 soft rays while the

anal fin Fins are distinctive anatomical features composed of bony spines or rays protruding from the body of a fish. They are covered with skin and joined together either in a webbed fashion, as seen in most bony fish, or similar to a flipper, as se ...

has three spines and seven soft rays, with the ends of the soft rayed parts of these fins being rounded. The

caudal fin Fins are distinctive anatomical features composed of bony spines or rays protruding from the body of a fish. They are covered with skin and joined together either in a webbed fashion, as seen in most bony fish, or similar to a flipper, as se ...

is truncate. The body is brown in colour, fading to yellowish brown on its lower part with seven vertical dark brown bars on the lower part of the body. There is a large dark brown spot at the base of the

pectoral fin Fins are distinctive anatomical features composed of bony spines or rays protruding from the body of a fish. They are covered with skin and joined together either in a webbed fashion, as seen in most bony fish, or similar to a flipper, as ...

s which has a pale yellowish brown line running behind it. The paired fins are dark brown. This species attains a maximum published

total length Fish measurement is the measuring of individual fish and various parts of their anatomies. These data are used in many areas of ichthyology, including taxonomy and fisheries biology. Overall length * Standard length (SL) is the length of a fish ...

of , although is more common, and it has a maximum weight of .

Distribution

''Paralabrax dewegeri'' is found in the western Atlantic Ocean, where it is found along the northern coast of South America from the

Gulf of Venezuela The Gulf of Venezuela is a gulf of the Caribbean Sea bounded by the Venezuelan states of Zulia and Falcón and by La Guajira Department, Colombia. The western side is formed by the Guajira Peninsula. A strait connects it with Maracaibo Lake to ...

eastwards to

Fortaleza Fortaleza (, locally , Portuguese for ''Fortress'') is the state capital of Ceará, located in Northeastern Brazil. It belongs to the Metropolitan mesoregion of Fortaleza and microregion of Fortaleza. It is Brazil's 5th largest city and the t ...

in Brazil. It also occurs in

Curaçao Curaçao ( ; ; pap, Kòrsou, ), officially the Country of Curaçao ( nl, Land Curaçao; pap, Pais Kòrsou), is a Lesser Antilles island country in the southern Caribbean Sea and the Dutch Caribbean region, about north of the Venezuela coast ...

and Trinidad and Tobago.

Habitat and biology

''Paralabrax dewegeri'' is found in water with depths of between over semi-hard or soft substrates and among soft corals. Juveniles are found in beds of the sea grass '' Thalassia''. It is a

carnivorous A carnivore , or meat-eater (Latin, ''caro'', genitive ''carnis'', meaning meat or "flesh" and ''vorare'' meaning "to devour"), is an animal or plant whose food and energy requirements derive from animal tissues (mainly muscle, fat and other sof ...

species which has a diet largely made up of

crustacean Crustaceans (Crustacea, ) form a large, diverse arthropod taxon which includes such animals as decapods, seed shrimp, branchiopods, fish lice, krill, remipedes, isopods, barnacles, copepods, amphipods and mantis shrimp. The crustacean group ...

s but it also feeds on fishes,

mollusc Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...

s, worms and

brittle star Brittle stars, serpent stars, or ophiuroids (; ; referring to the serpent-like arms of the brittle star) are echinoderms in the class Ophiuroidea, closely related to starfish. They crawl across the sea floor using their flexible arms for locomo ...

s. Females attain sexual maturity at about and this species is a

protogynous hermaphrodite 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, ...

Taxonomy

''Paralabrax dewegeri'' was first formally described as ''Prionodes dewegeri'' in 1919 by the

Dutch Dutch commonly refers to: * Something of, from, or related to the Netherlands * Dutch people () * Dutch language () Dutch may also refer to: Places * Dutch, West Virginia, a community in the United States * Pennsylvania Dutch Country People E ...

ichthyologist Ichthyology is the branch of zoology devoted to the study of fish, including bony fish ( Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha). According to FishBase, 33,400 species of fish had been described as of Octobe ...

Jan Metzelaar (1891-1929) with the type locality given as

Guanta Guanta is the capital and largest city of Guanta Municipality. Together with Barcelona, Puerto La Cruz and Lechería it forms a conurbation of around 1.2m inhabitants. The town is named for the cacique A ''cacique'' (Latin American ; ; fe ...

in Venezuela. It is the

sister taxon In phylogenetics, a sister group or sister taxon, also called an adelphotaxon, comprises the closest relative(s) of another given unit in an evolutionary tree. Definition The expression is most easily illustrated by a cladogram: Taxon A and t ...

to '' P. callaensis'' of the eastern Pacific Ocean and, in turn, these two species hare a common ancestor with the Galapagos

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

'' P. albomaculatus''.

Utilisation

''Paralabrax dewegeri'' is said to have palatable flesh but it is of little commercial importance to fisheries because of its relatively small size.

References

{{Taxonbar, from=Q1946157 dewegeri Fish of Venezuela Near threatened animals Taxa named by Jan Marie Metzelaar Fish described in 1919 Taxonomy articles created by Polbot