Icelus sekii Tsuruoka, Munehara & Yabe, 2006
Rausu-kajika
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Family:  Cottidae (Sculpins)
Max. size:  5.33 cm SL (male/unsexed)
Environment:  benthopelagic; depth range - 20 m
Distribution:  Northwest Pacific: Japan.
Diagnosis:  Dorsal spines (total): 9-9; Dorsal soft rays (total): 17-19; Anal soft rays: 12-13; Vertebrae: 36-37. Distinguished from its congeners by the following characters: supraocular and parietal spines absent; nuchal spine obscure; uppermost preopercular spine unbranched; no scales between dorsal scale row and lateral line scale row, and no scales below lateral line scale row; supraocular, parietal, and nuchal cirri present; five dark brown saddles dorsolaterally; 13 anal fin rays; 15 pectoral fin rays; vertebrae 12 + 24-25 = 36-37. Male holotype with a secondary sexual character, a unique ensiform flaps on the distal tips of the first dorsal fin (Ref. 58328).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (123251)
Threat to humans:  harmless
Country info:  Type locality, off Rausu, Shiretoko Peninsula, Hokkaido I., HUMZ 187896 (holotype of Icelus sekii). Known from off Rausu on the Shiretoko Peninsula and off Urakawa on the Pacific coast of Hokkaido Island (Ref. 58328).

Entered by: Capuli, Estelita Emily - 17.05.07

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