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Anguilliformes (Eels and morays) >
Ophichthidae (Snake eels) > Ophichthinae
Etymology: Yirrkala: Named for its type locality Yirrkala, Caledon Bay, Gulf of Carpentaria, Queensland, Australia..
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina; sötvatten; brackvatten bottenlevande. Tropical
Western Indian Ocean: Red Sea south to Natal, South Africa. Also reported from Mauritius and Reunion (Ref. 33390).
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 53.0 cm TL hane/ej könsbestämd; (Ref. 3972)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Ryggkotor: 167 - 174. Olive brown above, dusky on head, lighter below (Ref. 3972).
Found in estuaries. Enters freshwater (Ref. 13246).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
McCosker, J.E. and P.H.J. Castle, 1986. Ophichthidae. p. 176-186. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 3972)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 24.7 - 27.6, mean 26.7 °C (based on 96 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00089 (0.00039 - 0.00204), b=3.00 (2.80 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.8 ±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.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (41 of 100).