Asperoteuthis mangoldae
Encyclopedia
Asperoteuthis mangoldae, previously known as Asperoteuthis sp. A, is a chiroteuthid
Chiroteuthidae
Chiroteuthids are deep-sea squid of the family Chiroteuthidae. They are generally small to medium in size, rather soft and gelatinous, and slow moving. They are found in most temperate and tropical oceans, but are known primarily from the North Atlantic, North Pacific, and Indo-Pacific...

 squid
Squid
Squid are cephalopods of the order Teuthida, which comprises around 300 species. Like all other cephalopods, squid have a distinct head, bilateral symmetry, a mantle, and arms. Squid, like cuttlefish, have eight arms arranged in pairs and two, usually longer, tentacles...

 known only from the waters off the Hawaiian Islands
Hawaiian Islands
The Hawaiian Islands are an archipelago of eight major islands, several atolls, numerous smaller islets, and undersea seamounts in the North Pacific Ocean, extending some 1,500 miles from the island of Hawaii in the south to northernmost Kure Atoll...

. It differs from the closely related Asperoteuthis acanthoderma
Asperoteuthis acanthoderma
Asperoteuthis acanthoderma is a species of squid belonging to the family Chiroteuthidae. It is characterised by the tiny, pointed tubercules present on its skin and a Y-shaped groove in the funnel locking-apparatus....

 in lacking integumental tubercles and elongate fins. This species also possesses a characteristic curved groove in its funnel locking-apparatus.

A. alveatus is known from 18 specimens. The holotype
Holotype
A holotype is a single physical example of an organism, known to have been used when the species was formally described. It is either the single such physical example or one of several such, but explicitly designated as the holotype...

 was collected in an opening-closing trawl in Hawaii
Hawaii
Hawaii is the newest of the 50 U.S. states , and is the only U.S. state made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of...

an waters at a depth of 820–870 m. The coordinates of the type locality are 21°25′N 158°20.5′W.

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