Myxini (hagfishes) > Myxiniformes
(Hagfishes) > Myxinidae
(Hagfishes) > Rubicundinae
Etymology: Rubicundus: Latin for red or ruddy, referring to reddish coloration of all species. (See ETYFish); rubicundus: Latin for red or ruddy, referring to its pink body color. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; non-migratory (Ref. 85332); depth range ? - 800 m (Ref. 85332), usually ? - 800 m (Ref. 85332). Deep-water; 26°N - 24°N, 120°E - 122°E (Ref. 85332)
Western Central Pacific: Philippine Sea, off Taiwan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 46.4 cm TL male/unsexed; (Ref. 85332)
Morphology | Morphometrics
soft rays: 0. Branchial slime spores and the gill apertures arranged in a straight line; distances from a branchial slime pore to its immediately preceding and posterior gill apertures similar; the ventral aorta not bifurcated. The body color is pink. 5 gill apertures, not crowded; the presence of a pair of small nasal papillae on the roof of the nasal tube; a robust body; 100-102 total slime pores (prebranchial 16 or 17, branchial 3 or 4, trunk 62, tail 19); 3 multicusps in outer row, 7 unicusps, 2 multicusps in inner row, 7 unicusps; eyespot absent.
Only one specimen known.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kuo, C.-H., S.-C. Lee and H.-K. Mok, 2010. A new species of hagfish Eptatretus rubicundus (Myxinidae: Myxiniformes) from Taiwan, with reference to its phylogenetic position based on its mitochondrial DNA sequence. Zool. Stud. 49(6):1-23. (Ref. 85332)
IUCN Red List Status (Ref. 126983)
Threat to humans
Fisheries: of no interest
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion