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Anguilliformes (Eels and morays) >
Ophichthidae (Snake eels) > Ophichthinae
Etymology: Echelus: Greek, egchelys, -yos = eel (Ref. 45335); polyspondylus: Name from Greek 'poly' meaning many, and 'spondylos' for vertebrae, referring to its having more vertebrae.
than any of its congeners.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina revassocierade. Subtropical
Northwest Pacific: Taiwan.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 56.7 cm TL hane/ej könsbestämd; (Ref. 106143); 53.7 cm TL (female)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Ryggkotor: 172 - 183. This elongate species is distinguished by the following characters: tail 65-69%, head 7.6-8.3%, body depth at gill opening 1.8-2.3% of total length; tail tip flexible, the caudal-fin rays covered by skin, but confluent with dorsal and anal; dorsal-fin origin is nearly 1 head length behind gill opening; pectoral fin pointed, not elongate and well-developed; posterior nostril is within upper lip, opening into mouth; small pores, inconspicuous, SO 1+4, IO 4+2, POM 6+3;
teeth are small, numerous and conical, biserial on jaws, uniserial on vomer; body coloration tan dorsally, pale ventrally, fins are pale except anal-fin membrane which is black before tail tip; total vertebrae 172-183, mean vertebral formula 20-53-177 (Ref. 106143).
Body shape (shape guide): elongated; Cross section: oval.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
McCosker, J.E. and H.-C. Ho, 2015. New species of the snake eels Echelus and Ophichthus (Anguilliformes: Ophichthidae) from Taiwan. Zootaxa 4060(1):71-85. (Ref. 106143)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
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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=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
4.1 ±0.6 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) |
Low to moderate vulnerability (33 of 100). 🛈 |