Myxini (pirålar) (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).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina djupbottenlevande; ej vandrande (Ref. 85332); djupintervall ? - 800 m (Ref. 85332) (Ref. 85332). Deep-water; 26°N - 24°N, 120°E - 122°E (Ref. 85332)
Western Central Pacific: Philippine Sea, off Taiwan.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 46.4 cm TL hane/ej könsbestämd; (Ref. 85332)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 0; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 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.
Body shape (shape guide): eel-like; Cross section: circular.
Only one specimen known.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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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). |
Trofisk nivå (Ref. 69278) |
4.1 ±0.4 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Moderate vulnerability (42 of 100). 🛈 |