Myxinidae (Hagfishes), subfamily: Eptatretinae |
37.8 cm TL (male/unsexed) |
bathydemersal; marine; depth range 648 - 722 m, non-migratory |
Southeast Pacific: endemic in Galapagos Islands. |
This species is distinguished from its congeners except E. aceroi, E. profundus, E. wandoensis, E. wayuu by the number of gill apertures arranged in a straight line, 5 pairs (6 in one specimen of E. grouseri); 3/2 multicusp pattern of teeth; differs from these five-gilled congeners by having: total cusps 44-48 (vs. 58 in E. aceroi, 40-43 in E. wandoensis, 41-43 in E. wayuu); prebranchial pores 11-12 (vs. 44 in E. aceroi, 14-18 in E. wandoensis, 24 in E. wayuu); trunk pores 42-48 (vs. 107 in E. aceroi, 48-51 in E. profundus, 38-40 in E. wayuu); tail pores 13-15 (9-11 in E. wandoensis); total pores 71-79 (vs. 174 in E. aceroi, 81-86 in E. profundus) (Ref. 123790).
Description: Ventral finfold vestigial; caudal finfold well developed (Ref. 31788). |
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Least Concern (LC); Date assessed: 15 September 2022 Ref. (130435)
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harmless |
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