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Anguilliformes (Eels and morays) >
Anguillidae (Freshwater eels)
Etymology: Anguilla: Latin, anguilla, .-ae = eel (Ref. 45335); luzonensis: The species name is derived from Luzon Island where the type locality is situated.
Taxonomic Remarks
Most probably the same as Anguilla huangi Teng, Lin & Tzeng, 2009, priority remaining to establish.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina; sötvatten; brackvatten bottenlevande; katadrom (Ref. 83381). Tropical
Philippines: upper reaches of the Pinacanauan River system, a tributary of the Cagayan River in northern Luzon Island, Philippines.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 100.0 cm TL hane/ej könsbestämd; (Ref. 82698)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Ryggkotor: 103 - 106. An anguillid eel with variegated color marking with broad maxillary bands of teeth that is classified into the first group of Anguilla. Predorsal-fin length 28.6-33.1% of TL; preanal length 39.6-44.8% of TL; preanal length without head length (trunk length) 26.4-31.3% of TL; distance between the verticals through the anus and origin of the dorsal fin 9.3-13.9% of TL; LG 35.5-46.9% of HL; TV 103-107; and AV 40-42.
The body is elongate. Body color when fresh was mottled with yellow, olive green, and dark brown or black, but it changed after formalin fixation, with the coloration being more dark or obscured. HL 10.8-15.1% of TL, predorsal lengths without head length 15.5-19.7% of TL. Distance from perpendicular through eye-center on the margin of upper jaw to angle of gape 29.9-41.8% of LG. Caudal vertebrae 61-66. (Ref. 83381).
Body shape (shape guide): eel-like.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Semelparous.
Watanabe, S. and J., Tsukamoto, K. Aoyama, 2009. A new species of freshwater eel Anguilla luzonensis (Teleostei: Anguillidae) from Luzon Island of the Philippines. Fish Sci 75: 387-392. (Ref. 83381)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00076 (0.00037 - 0.00157), b=3.17 (3.00 - 3.34), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.7 ±0.7 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Mycket låg, lägsta populationsfördubblingstid mer än 14 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
High to very high vulnerability (68 of 100). 🛈 |