Aldrovandia affinis (Günther, 1877)
Gilbert's halosaurid fish
Aldrovandia affinis
photo by Reyes, R.B.

 Family:  Halosauridae (Halosaurs)
 Max. size:  55 cm TL (male/unsexed)
 Environment:  benthopelagic; depth range 730 - 2560 m
 Distribution:  Circumglobal, tropical to temperate. Atlantic and Indo-Pacific, except Mediterranean.
 Diagnosis:  Dorsal spines (total): 1-1; Dorsal soft rays (total): 10-12. Body white to grey-brown in color, underside darker (Ref. 3974). Insertion of the pelvic fin only slightly anterior to the origin of the dorsal fin. Lacks scale on the opercle (Ref. 37108).
 Biology:  Occurs on the middle and lower slope primarily above the 4°C isotherm. Hovers within a few meters of substrate, parallel to it or inclined at varying angles (Ref. 6727). Feeds on polychaetes, pelecypods, amphipods and other benthic prey (Ref. 6727).
 IUCN Red List Status:   (Ref. 96402)
 Threat to humans:  harmless
 Country info:   

 Entered by: Torres, Armi G. - 26.02.93
 Modified by: Reyes, Rodolfo B. - 27.02.14
 Checked by: Agustin, Liza Q. - 24.08.94

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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