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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Sicydiinae
Etymology: Akihito: Named for Emperor Akihito for his many contributions to goby systematics and phylogenetic research; futuna: Named for its lype locality, Futuna Island; noun in apposition.
Eponymy: Emperor Akihito of Japan (d: 1933) is noted for his many contributions to goby systematics and phylogenetic research. [...] (Ref. 128868), visit book page.
Environment: milieu / Klimaatzone / Diepte / distribution range
Ecologie
; zoet water benthopelagisch. Tropical
Oceania: Futuna Island. Endemic (Ref. 75883 and also Ref. 87775).
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 6.0 cm SL mannelijk / geslacht onbekend; (Ref. 87775); 2.9 cm SL (female)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 7; Dorsale zachte stralen (totaal) : 9 - 10; Anale stekels: 1; Anale zachte stralen: 9 - 10. Species distinguished by females having 4-7 closely set, slightly flexible tricuspid premaxillary teeth and 2-4 canine-like teeth at the tips of the premaxilla; adult males with 4-7 premaxillary fixed recurved conical to canine-like teeth; females with 19-20 scales along lateral midline; small tongue, rounded and mostly free from floor of mouth anteriorly; pelvic disc fused to belly between fifth rays only (Ref. 75883).
Occurs in swift clear streams with rocky bottom; collected at an altitude of 147 m. Observed to swim in open water and are not always on the bottom of the river. Although feeding habits have not been studied, a few examined specimens apparently feed on aquatic insects and crustaceans (Atyidae) (ref. 75883).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Keith, P., G. Marquet and R.E. Watson, 2008. Akihito futuna, a new species of freshwater goby from the South Pacific (Gobioidei: Sicydiinae). Cybium 31(4):471-476. (Ref. 75883)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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