Mataeocephalus tenuicauda (Garman, 1899)
Slendertail grenadier
Mataeocephalus tenuicauda
photo by FAO

 Family:  Macrouridae (Grenadiers or rattails), subfamily: Macrourinae
 Max. size:  30 cm TL (male/unsexed)
 Environment:  bathypelagic; depth range 700 - 1600 m, non-migratory
 Distribution:  Eastern Pacific: off the Pacific coast of Panama, Colombia and Ecuador; Cocos and Galapagos islands.
 Diagnosis:  Dorsal spines (total): 2-2; Anal spines: 0-0. Eyes large; snout long, with a prominent, bifid terminal scute; underside of the head almost entirely naked, with relatively little ventral overlap of scales along the leading edge of the snout. Body scales with short, conical spinules, arranged in parallel rows. Periproct large, oval, several scale rows from anal fin. Pyloric caeca 16 to 21.
 Biology:  Maximum TL of more than 30 cm (Ref. 9315).
 IUCN Red List Status:   (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Luna, Susan M. - 26.10.93
 Modified by: Garilao, Cristina V. - 07.07.95
 Checked by: Garilao, Cristina V. - 07.07.95

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