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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Mugilogobius: Latin, mugil, -ilis = grey mullet + Latin, gobius = gidgeon (Ref. 45335); rexi: Named for Rex Williams.
Eponymy: Rex Williams is a technical officer at the Museum and Art Gallery of the Northern Territory in Darwin, Australia. He was honoured for his: “…careful work and commitment” to the museum’s fish collection. (Ref. 128868), visit book page.
More on author: Larson.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk. Tropical
Asia: restricted to Sulawesi, Indonesia.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 3.3 cm SL hane/ej könsbestämd; (Ref. 43716)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 7; Mjukstrålar i ryggfenan (totalt) : 8 - 9; Taggstrålar i analfenan: 1; Mjukstrålar i analfenan: 7 - 9; Ryggkotor: 27 - 28. Live color yellow for male yellowish grey for female (Ref. 43716). Longitudinal scales 37-30; TRB 8-10; predorsal scales 11-19; scales on nape reaching nearly up to eyes or past preopercular edge; vertebrae modally 11+16; below the eye often with about 6 short rows of transverse papillae, transverse rows sometimes developed as part of longitudinal rows c and cp (Ref. 43716). Caudal fin rounded to slightly truncate (Ref. 43716).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Facultative air-breathing in the genus (Ref. 126274); Hovers above the substrate, in a slightly diagonal position, with caudal fin curved to one side. Inhabits water at least a meter's depth, over silty substrate, near clumps of aquatic plants and the freshwater mangrove Barringtonia racemosa (Ref. 43716).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Larson, H.K., 2001. A revision of the gobiid fish genus Mugilogobius (Teleostei: Gobioidei), and its systematic placement. Rec. West. Aust. Mus. (Suppl. No. 62):1-233. (Ref. 43716)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Harmless
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01000 (0.00442 - 0.02263), b=3.00 (2.81 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.3 ±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.). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |