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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: Risor: Latin, risor, -oris = clownish.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien rifbewoner. Tropical; - 6°N
Western Atlantic: southern Florida, USA and the Bahamas to northeastern Brazil (Ref. 39606).
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 2.5 cm TL mannelijk / geslacht onbekend; (Ref. 7251)
Dorsale stekels (totaal) : 7; Dorsale zachte stralen (totaal) : 11 - 12; Anale stekels: 1; Anale zachte stralen: 9 - 10. Distinguished by the following characteristics: first dorsal fin spines VII; completely united pelvic fins; scales only on posterior section of the trunk; four modified basicaudal scales at the base of the caudal fin; light to dark brown body color with faint internal bars visible on lighter specimens; 2-4 enlarged re-curved canines in each jaw that project out of the mouth, point out and up in the upper jaw, down and back on the lower jaw (Ref. 92840).
Found in association with large barrel sponges, generally along outside hiding in crevices, also sometimes within the sponge tubules (Ref. 92840).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
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Estimates based on models
Preferred temperature (Ref.
123201): 24.4 - 28.2, mean 27.3 °C (based on 599 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00477 - 0.02194), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.0 ±0.3 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 380 [164, 1,300] mg/100g; Iron = 1.9 [0.8, 4.2] mg/100g; Protein = 18.1 [15.9, 20.0] %; Omega3 = 0.173 [0.054, 0.544] g/100g; Selenium = 39.5 [11.6, 111.7] μg/100g; VitaminA = 92.7 [17.8, 468.6] μg/100g; Zinc = 4.63 [2.46, 7.75] mg/100g (wet weight);
