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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Pomatoschistus: Greek, poma, -atos = cover, operculum + Greek, schistos = divided (Ref. 45335).
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien; zoet water; brak water demersaal; anadroom (Ref. 138297); diepte 0 - 12 m (Ref. 35388). Temperate; 8°C - 24°C (Ref. 4944); 64°N - 20°N, 19°W - 31°E
Eastern Atlantic: Norway to Morocco, including Baltic Sea (to southern Portugal) (Ref. 4696) and western Mediterranean. Also in Mauritania and the Canary Islands.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?, range 3 - ? cm
Max length : 9.0 cm TL mannelijk / geslacht onbekend; (Ref. 6303); max. gerapporteerde leeftijd: 2.60 Jaren (Ref. 40230)
Dorsale stekels (totaal) : 6 - 8; Dorsale zachte stralen (totaal) : 8 - 11; Anale stekels: 1; Anale zachte stralen: 7 - 10; Wervels: 30 - 32. This species is distinguished from other gobies in European freshwaters by the following characters: males with conspicuous dark proximal posterior spot on first dorsal; with cephalic lateral line canals; anterior oculoscapular canal extending to snout; branched rays in second dorsal 8-10.5; anal origin below simple of first branched ray of D2; total scales in midlateral series 39-52; completely scaled postdorsal body; caudal rounded (Ref. 59043). No scales in front of the first dorsal fin (Ref. 35388); body shape is terete, slightly depressed; eyes situated dorso-laterally; reduced swim bladders (Ref. 92840).
Body shape (shape guide): elongated.
Adullts enter estuaries, salt marshes and pools (Ref. 4343); usually on sand or mud (Ref. 59043). They live in sea as well as brackish waters and migrates into limnetic sections of rivers (Ref. 92840). Also in rock pools where they feed mainly on epibenthic meiofauna like harpacticoids and small amphipods (Ref. 92840); small crustaceans, worms, chironomid larvae and mites (Ref. 4696). They burrow to survive low water levels and to avoid predators (Ref. 30508). Mature individuals spawn after first winter, at sea, in February - September, depending on latitude; individual females spawn several times during a season. Adhesive eggs (0.9 x 0.7 mm) are deposited under or between stones, shells and aquatic plants and males guard the eggs until hatching. Juveniles enter freshwater habitats in late summer to forage (Ref. 59043). Males defend and aerate the eggs for about 9 days.
Benthic spawner (Ref. 32023).
Maugé, L.A., 1986. Gobiidae. p. 358-388. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 4343)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang; Aquarium: Commercieel
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Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00776 (0.00409 - 0.01473), b=3.09 (2.93 - 3.25), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.3 ±0.3 se; based on diet studies. |
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Generation time |
3.7 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Weerstandsvermogen (Ref. 120179) |
Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (K=0.29; tm=0.8; tmax=2.6; Assuming fec < 10,000). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low to moderate vulnerability (33 of 100). 🛈 |
Voedingsstoffen (Ref. 124155) |
Calcium = 97.2 [44.2, 272.7] mg/100g; Iron = 0.439 [0.228, 0.911] mg/100g; Protein = 18.1 [16.1, 19.7] %; Omega3 = 0.61 [0.23, 1.37] g/100g; Selenium = 4.9 [2.0, 12.3] μg/100g; VitaminA = 38.6 [9.8, 137.2] μg/100g; Zinc = 1.18 [0.76, 1.86] mg/100g (wet weight); |