Horned Two-rod Angler, Diceratias bispinosus (Günther 1887)


Other Names: Two-rod Anglerfish

A female Horned Two-rod Angler, Diceratias bispinosus. Source: Ted W. Pietsch / EOL. License: CC BY Attribution-Noncommercial

Summary:
Overall dark brown to black, dark brown to black over entire surface of head, body; 

Cite this page as:
Dianne J. Bray, Diceratias bispinosus in Fishes of Australia, accessed 07 Jul 2022, https://fishesofaustralia.net.au/Home/species/4327

Horned Two-rod Angler, Diceratias bispinosus (Günther 1887)

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Features

Features of metamorphosed females: Dorsal-fin soft rays 6; Pectoral fin 13; Anal fin 4; Caudal fin 9; Premaxillary teeth 40; Lower jaw teeth 14-65 teeth; Upper jaw teeth 18-99; Vomerine teeth 4-9. 
Esca relatively small, width about equal to length, with a low rounded terminal escal papilla; anterior and posterior escal appendages well developed, usually bearing small secondary filaments; anterior escal appendage bulbous, sometimes branched; posterior escal appendage laterally compressed, row of small secondary filaments along outer margin, at most 5; posterobasal margin of terminal papilla with escal pore; skin covered with tiny close-set dermal spinules.

Size

Distinguishing characteristics of metamorphosed female: relatively small esca, width about equal to length; low rounded terminal escal papilla; well developed anterior and posterior escal appendages, usually bearing small secondary filaments; bulbous anterior escal appendage, sometimes branched; laterally compressed posterior escal appendage, row of small secondary filaments along outer margin, at most 5; posterobasal margin of terminal papilla with escal pore; 

Species Citation

Ceratias bispinosus Günther, 1887. Rpt Sci. Res. Voy. Challenger 22(57): 53, pl. 11(fig. B). Type locality: off Banda, Indonesia, 659 m.

Author

Dianne J. Bray

Horned Two-rod Angler, Diceratias bispinosus (Günther 1887)

References


Balushkin, A.V.  & Fedorov, V.V. 1986. A new species of diceratiid deepsea anglerfish, Diceratias trilobus sp. n. (Fam. Diceratiidae, Ceratioidei) from the coast of Japan. Voprosy Ikhtiologii 26(5): 855-856. [In Russian. English translation in Journal of Ichthyology 1987, 27(1): 136-138.]

Günther, A. 1887. Report on the deep-sea fishes collected by H.M.S Challenger during the years 1873–1876. Report on the Scientific Results of the Voyage of H.M.S. Challenger 1873–1876, Zoology 22(57): 1-268 figs 1-7 pls 1-66

Paxton, J.R. & Lavenberg, R.J. 1973. Feeding mortality in a deep sea angler fish (Diceratias bispinosus) due to a macrourid fish (Ventrifossa sp). Australian Zoologist 18(1): 47-51.

Pietsch, T.W. 1999. Families Caulophrynidae, Neoceratiidae, Melanocetidae, Himantolophidae, Diceratiidae, Oneirodidae, Thaumatichthyidae, Centrophrynidae, Ceratiidae, Gigantactinidae, Linophrynidae. pp. 2026-2037 in Carpenter, K.E. & Niem, V.H. (eds). The Living Marine Resources of the Western Central Pacific. FAO Species Identification Guide for Fisheries Purposes. Rome : FAO Vol. 3 pp. 1397-2068.

Pietsch, T.W. 2009. Oceanic Anglerfishes. Extraordinary Diversity in the Deep Sea. Berkeley and Los Angeles : University of California Press pp. i-xii + 1-557.

Stewart, A.L. & Pietsch, T.W. 1998. The ceratioid anglerfishes (Lophiiformes: Ceratioidei) of New Zealand. Journal of the Royal Society of New Zealand 28(1): 1-37.
Uwate, K.R. 1979. Revision of the anglerfish Diceratiidae with descriptions of two new species. Copeia 1979(1): 129-144.

Quick Facts


CAAB Code:37214001

Biology:Bioluminescent females; free-living males

Depth:533-2306 m

Habitat:Mesopelagic, bathypelagic

Max Size:13.4 cm

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