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| Scientific Name |
Eptatretus atami |
| Classified By |
Dean, 1904 |
| Common Name |
Brown hagfish |
| Class |
Hagfishes (Myxini) |
| Order |
Hagfishes (Myxiniformes) |
| Family |
Hagfishes (Myxinidae) |
| Biology |
Gill pouches 6 pairs with gill apertures closely spaced in a fairly straight line; 1-2 GP at end of dental muscle. Ventral aorta splitting at about GP 5-6. Fused cusps 3/3. Total cusps 47-52. Prebranchial slime pores 12-19. Total pores 71-78. Eyespots faint or absent. Ventral finfold low to vestigial. |
| Climate |
Deep-water |
| Water Temperature From - Celcius |
Unknown °C |
| Water Temperature To - Celcius |
Unknown °C |
| Depth From - meters |
300
m |
| Depth To - meters |
536
m |
| Zone |
bathydemersal |
| Distribution |
Northwest Pacific: Japan. Notoriously confused with other unnamed species around Japan. |
| Region |
Northwest Pacific |
| Range |
Unknown |
| Maximum Length |
61.0
cm |
| Common Length |
Unknown
cm |
| Environment |
Marine; bathydemersal; non-migratory; depth range 300 - 536 m |
| Vulnerability |
Moderate to high vulnerability (47 of 100) |
| Resilience |
Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be |
| Threat To Humans |
Harmless |
| IUCN Red List Status |
Not Evaluated |
| Human Uses |
Fisheries: commercial |
| Phylogenetic Diversity Index |
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes) |
| Trophic Level |
4.5 s.e. 0.80 Based on food items. |
| Is kept in Aquariums |
False |
| Occurs in Marine / Salt water |
True |
| Occurs in Brackish water |
False |
| Occurs in Fresh Water |
False |
| Occurs on Reefs |
False |