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Pyroteuthidae
Pyroteuthidae (the fire squids) is a family (biology), family of squids. The family comprises two genus, genera. Species are Diurnality, diurnally Mesopelagic zone, mesopelagic, migrating into surface waters during the night. The family is characterised by the tentacles, which have a permanent constriction and bend near the base; and photophores occurring on the tentacles, eyeballs, and Organ (biology), viscera. Members reach mantle (mollusc), mantle lengths of 23–50 mm. Paralarvae of the family are common around the Hawaiian Islands, with up to 17% of collected specimens in the area belonging to Pyroteuthidae.John R. Bower, Michael P. Seki, Richard E. Young, Keith A. Bigelow, Jed Hirota, Pierre FlamentCephalopod paralarvae assemblages in Hawaiian Islands waters 14 November 2008. Species *Genus ''Pterygioteuthis'' **''Pterygioteuthis gemmata'' **''Pterygioteuthis giardi'', roundear enope squid **''Pterygioteuthis hoylei'' **''Pterygioteuthis microlampas'' *Genus ''Pyroteuth ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pterygioteuthis Giardi
''Pterygioteuthis giardi'' is a species of squid in the family Pyroteuthidae. It is known as the roundear enope squid. The Specific name (zoology), specific name honors the France, French Zoology, zoologist and Marine Biology, marine biologist Alfred Mathieu Giard (1846-1908). Anatomy and morphology Squid in the family Pyroteuthidae have Photophores (small, light-producing organs) on viscera (internal organs), stalk of tentacles, and five large and ten small photophores underneath the eyes. The squid has a wide, triangular mantle with a rounded posterior end and rounded fins on the distal dorsal end of the mantle. Their mantles are generally less than 34 mm long. Their tentacles look like bent clubs due to their permanent constriction. Adult squid in the ''Pterygioteuthis'' genera lack hooks on their tentacular clubs, but do have some hooks on the arms. Male squid have a specialized arm used to transfer sperm to females called hectocotyli. Females do not have suckers o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pyroteuthis Addolux
''Pyroteuthis addolux'' is a species of squid in the family Pyroteuthidae. It is distinguished from other members of the genus '' Pyroteuthis'' by the shape of photophores on the tentacles and the shape of the hectocotylus. The hectocotylus is located on arm IV, containing 10 proximity hooks, and six to 15 suckers at the tip. ''P. addolux'' ranges from south of the Hawaiian Islands, to the subantarctic boundary. They exhibit minor geographical variance, as southern specimens are slightly smaller than their northern counterparts. ''P. addolux'' is the only member of the genus to occur in the North Pacific, but additional members of the family Pyroteuthidae have also been found.Richard Brodeur and Orio Yamamura. 2005MICRONEKTON OF THE NORTH PACIFIC North Pacific Marine Science Organisation (PICES): pg21. The species has been observed using bioluminescence to reduce its silhouette in dim surrounding light. The type specimen was taken off southern California and described in 1972 by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pyroteuthis Serrata
''Pyroteuthis serrata'' is a species of squid in the family Pyroteuthidae. It is found north of the tropical convergence in the waters around New Zealand New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ... and it does not overlap with '' Pyroteuthis margaritifera'' which has a more southerly range. References External linksTree of Life web project: ''Pyroteuthis serrata'' Pyroteuthidae Cephalopods described in 1985 Molluscs of New Zealand {{squid-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pterygioteuthis
''Pterygioteuthis'' is a genus of squid in the family Pyroteuthidae. Members are differentiated from the genus ''Pyroteuthis'' due to size and head shape. The genus is characterised by the presence of a lidded photophore over each eye. References External linksTree of Life web project: ''Pterygioteuthis'' Pterygioteuthis, Pyroteuthidae Bioluminescent molluscs {{squid-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pyroteuthis
''Pyroteuthis'' is a genus of squid in the family Pyroteuthidae. It is differentiated from the genus ''Pterygioteuthis'' by size, head shape and behaviour. Species within the genus are separated by the arrangement of tentacular photophores; the shape of the hectocotylus, and the shape of the hectocotylus hooks. With the exception of the Tropical Eastern Pacific, the genus is circumpolar in tropical and temperate oceans. The species '' P. addolux'' is the only member to occur in the North Pacific The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is bounded by the contine .... References External linksTree of Life web project: ''Pyroteuthis'' Pyroteuthidae Cephalopod genera Bioluminescent molluscs Taxa named by William Evans Hoyle {{squid-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pyroteuthis Margaritifera
''Pyroteuthis margaritifera'', the jewel enope squid, is a species of squid in the family Pyroteuthidae. This species has three large, ellipsoidal, double photophores on the tentacles, the nearest ellipsoidal photophore to the tip is near the carpal cluster and is widely separated from the two smaller spherical photophores at the base of the tentacle, but nearer to the other two ellipsoidal photophores. Another spherical photophore is located at the base of the tentacular club. The fourth right Cephalopod arm, arm is hectocotylised and has 13-19 basal hooks, each of these hooks is large and has a primary cusp with a smooth inner edge and a large, rounded secondary cusp. Betong these basal hooks there is a fleshy, elongated pad, this is a flap in other species of ''Pyroteuthis'', with three hooks opposite it and between zero and thirteen suckers at its tip. ''P. margaritifera'' has been collected off Bermuda from depths of 375–500 m in the day and between 75 and 175 m during th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pterygioteuthis Hoylei
''Pterygioteuthis hoylei'' is a species of squid in the family Pyroteuthidae. It is considered conspecific with ''Pterygioteuthis giardi ''Pterygioteuthis giardi'' is a species of squid in the family Pyroteuthidae. It is known as the roundear enope squid. The Specific name (zoology), specific name honors the France, French Zoology, zoologist and Marine Biology, marine biologist Al ...'' by some authorities. It can be identified from ''P. giardi'' by having four photophores on the tentacles and many chromatophores spread along the tentacle stalk and around the aboral surface of the tentacular club. It is also slightly larger than ''P. giardi'', it has been so far recorded only from the eastern tropical Pacific Ocean where it is the only species of in the family Pyroteuthidae to occur there, although its actual distribution may be wider than currently known. The specific name honours the British malacologist William Evans Hoyle (1855–1926). References {{Taxonbar, f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Squid
A squid (: squid) is a mollusc with an elongated soft body, large eyes, eight cephalopod limb, arms, and two tentacles in the orders Myopsida, Oegopsida, and Bathyteuthida (though many other molluscs within the broader Neocoleoidea are also called ''squid'' despite not strictly fitting these criteria). Like all other cephalopods, squid have a distinct head, Symmetry (biology)#Bilateral symmetry, bilateral symmetry, and a mantle (mollusc), mantle. They are mainly soft-bodied, like octopuses, but have a small internal skeleton in the form of a rod-like gladius (cephalopod), gladius or pen, made of chitin. Squid diverged from other cephalopods during the Jurassic and occupy a similar Ecological niche, role to teleost fish as open-water predators of similar size and behaviour. They play an important role in the open-water food web. The two long tentacles are used to grab prey and the eight arms to hold and control it. The beak then cuts the food into suitable size chunks for swal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pterygioteuthis Microlampas
''Pterygioteuthis microlampas'' is a species of squid in the family Pyroteuthidae. They occur from northern New Zealand New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ... oceans to the Hawaiian Islands, but they do not overlap with the species '' P. gemmata'', which lives in more southern waters. While there are numerous similarities between these two species, they are separated by the smaller mature size of ''P. microlampas'' (maximum mantle length of 23 mm) and the fewer number of hooks on males. The species reproduce sexually during the late autumn to early winter, producing eggs with a diameter of 0.9 mm. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pterygioteuthis Gemmata
''Pterygioteuthis gemmata'' is a species of squid in the family Pyroteuthidae. References External linksTree of Life web project: ''Pterygioteuthis gemmata'' Pterygioteuthis Cephalopods described in 1908 Bioluminescent molluscs Taxa named by Carl Chun {{squid-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hawaiian Islands
The Hawaiian Islands () are an archipelago of eight major volcanic islands, several atolls, and numerous smaller islets in the Pacific Ocean, North Pacific Ocean, extending some from the Hawaii (island), island of Hawaii in the south to northernmost Kure Atoll. Formerly called the Sandwich Islands by Europeans, the present name for the archipelago is derived from the name of its largest island, Hawaii. The archipelago sits on the Pacific Plate. The islands are exposed peaks of a great undersea mountain range known as the Hawaiian–Emperor seamount chain, formed by volcano, volcanic activity over the Hawaiian hotspot. The islands are about from the nearest continent and are part of the Polynesia subregion of Oceania. The U.S. state of Hawaii occupies the archipelago almost in its entirety (including the mostly uninhabited Northwestern Hawaiian Islands), with the sole exception of Midway Atoll (a United States Minor Outlying Island). Hawaii is the only U.S. state that is sit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
