Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > 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
Marine; freshwater; brackish; demersal; amphidromous (Ref. 46888); depth range 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).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.0 cm SL male/unsexed; (Ref. 2798)
soft rays: 13. Body pale with red and brown flecks; series of small black spots along mid side; anterior portion of 1st dorsal fin dusky; pelvic and anal fin margins normally black (Ref. 2798).
A cryptic species occurring on sandy bottoms (Ref. 4343). Found over sand in shallow littoral areas to about 20 m depth (Ref. 7248). Buries its body in the sand, uses first dorsal fin for display and possibly as a lure to attract prey (Ref. 7248).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Skelton, P.H., 1993. A complete guide to the freshwater fishes of southern Africa. Southern Book Publishers. 388 p. (Ref. 7248)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00610 - 0.02063), b=3.13 (2.97 - 3.29), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic level (Ref. 69278
): 3.2 ±0.3 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .