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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: Silhouettea: Named by Smith (1959) for the type locality, the island of Silhouette in the Seychelles (Ref. 78591:297).
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina; sötvatten; brackvatten bottenlevande; amfidrom (Ref. 46888); djupintervall 1 - 20 m (Ref. 7248). Subtropical; 25°S - 27°S
Africa: Lake St. Lucia (Ref. 11228), Lake Sibayi and Kosi Bay, South Africa (Ref. 7248, 52193).
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.0 cm SL hane/ej könsbestämd; (Ref. 52193)
Taggstrålar i ryggfenan (totalt): 7; Mjukstrålar i ryggfenan (totalt): 11; Taggstrålar i analfenan 1; Mjukstrålar i analfenan: 13.
A cryptic species occurring on sandy bottoms (Ref. 4343). Found over sand in shallow littoral areas to about 20 m depth (Ref. 7248, 52193). Buries its body in the sand, uses first dorsal fin for display and possibly as a lure to attract prey (Ref. 7248, 52193).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Skelton, P.H., 2001. A complete guide to the freshwater fishes of southern Africa. Cape Town (South Africa): Struik Publishers, 395 p. (Ref. 52193)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Ytterligare information
PopulärnamnsynonymerMetabolikPredatorerEkotoxikologiReproduktionKönsmognadLekSpawning aggregationFecundityÄggEgg development
referenserVattenbrukVattenbruksprofilAvelslinjerGenetikElectrophoresesÄrftlighetSjukdomarBehandlingNutrientsMass conversion
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01349 (0.00743 - 0.02447), b=3.10 (2.94 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.2 ±0.3 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).