Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Myxini (hagfishes) > Myxiniformes
(Hagfishes) > Myxinidae
(Hagfishes) > Rubicundinae
Etymology: rubicundus: The name refers to the pink body color.
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. 119314)
CITES (Ref. 115941)
Threat to humans
Fisheries: of no interest
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 4.1 ±0.7 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Moderate vulnerability (39 of 100) .