Actinopterygii (Straalvinnigen) >
Perciformes (Perch-likes) >
Gobiidae (Gobies) > Gobionellinae
Omgeving / Klimaat / Range
Ecologie
; zoetwater; brakwater benthopelagisch; amfidroom (Ref. 57749). Tropical, preferred ?
Southwestern Indian Ocean: Réunion, Mauritius, Rodrigues, Comores, Madagascar.
Size / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 25.0 cm SL mannelijk/geslacht niet bekend; (Ref. 57749)
Korte beschrijving
Morfologie | Morfometrie
Dorsale stekels (totaal): 7; Dorsale zachte stralen (totaal): 10-11; Anale stekels 1; Anale zachte stralen: 9 - 10. Large head. Fusiform body. Large and terminal mouth. Two dorsal fins. First with 6 spines, second with 1 spine and 10 to 11 branched rays. Adults body and fins usually grey to black with a clearer belly. Juveniles brown with a serie of darker rounded marks along the flanks. First dorsal usually shows a black mark in its posterior part, especially for young specimens. Fading while fish age. 10 to 25cm (Ref. 57749).
This species occurs in freshwaters and sometimes brackish waters in slow to fast current waters to the base of the first falls. Usually occurs in clear waters with sand, gravel or rock bottom. Feeds on algae, detritus, worms, gastropods and crustaceans. Close biology to A. guamensis. Amphidromous species. Adults migrate to the mouth of the rivers for reproduction. Females spawn on the rocks' surface where the males fecund the eggs. Males protect the eggs until they hatch (incubation lasts 24 to 70hrs). Larvae, translucid, are then carried into estuaries or sea. They come back after they spent 150 to 165 days in seawaters (Ref. 57749). Also Ref. 4343.
Life cycle and mating behavior
Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven
Keith, P., G. Marquet, P. Valade, P. Bosc and E. Vigneux, 2006. Atlas des poissons et des crustacés d'eau douce des Comores, Mascareignes et Seychelles. Muséum national d’Histoire naturelle, Paris. Patrimoines naturels, 65:250p. (Ref. 57749)
Status op de Rode Lijst van het IUCN (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Gevaarlijk voor mensen
Harmless
Gebruik door de mens
Meer informatie
Populaire namenSynoniemenMetabolismePredatorsEcotoxicologieVoortplantingGeslachtsrijpheidKuitschietenFecundityEierenOntwikkeling van de eieren
Leeftijd/GrootteGroeiLengte-gewicht parametersLengte-lengte parametersLengtefrequentiesMorfometrieMorfologieLarvenPopulatiedynamica van de larvenrecruteringAbundantie
ReferentiesAquacultuurAquacultuurprofielKweeklijnenGeneticaAlleelfrequentiesErfelijkheidZiektenVerwerkingMass conversion
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Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00395 - 0.01919), b=3.05 (2.86 - 3.24), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic Level (Ref.
69278): 2.2 ±0.1 se; Based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
69278): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Kwetsbaarheid (Ref.
59153): Moderate vulnerability (42 of 100) .
