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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).
Eponymy: This is a toponym; Lake Sibayi (also spelled Sibhayi), on the east coast of South Africa, is the type locality. (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin; eau douce; saumâtre démersal; amphidrome (Ref. 46888); profondeur 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).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 4.0 cm SL mâle / non sexé; (Ref. 52193)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 7; Rayons mous dorsaux (Total) : 11; Épines anales: 1; Rayons mous anaux: 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
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Skelton, P.H., 2001. A complete guide to the freshwater fishes of southern Africa. Cape Town (South Africa): Struik Publishers, 395 p. (Ref. 52193)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menacé (EN) (B1ab(iii)+2ab(iii)); Date assessed: 25 January 2017
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
Articles particuliers
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Sources Internet
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=0.01380 (0.00768 - 0.02482), b=3.09 (2.93 - 3.25), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Ref.
69278): 3.2 ±0.3 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).