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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Stenogobius: Greek, stenos = narrow + Latin, gobius = gudgeon (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten; brackvatten bottenlevande. Tropical
Oceania: high islands of Hawaii.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 11.4 cm SL hane/ej könsbestämd; (Ref. 34009)
Short description
Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt): 7; Mjukstrålar i ryggfenan (totalt): 10-11; Taggstrålar i analfenan 1; Mjukstrålar i analfenan: 10 - 11. Easily identified by the dark black bar extending downward through the eye and the yellow-brown body color; during courtship, both males and females with 9-11 black bars on their flanks and a red border on the edge of the dorsal fins; black eye bar becomes prominent; males develop a dusky flush to their throats and lower jaw (Ref. 44091).
Largest Insularigobius recorded; possesses a relatively high scale count in horizontal series, 47-52, usually 48-50; high predorsal scale count, always fully scaled, 16-23, usually 19-20; belly anteriorly almost always scaled close to pelvic base; breast always with many embedded scales; up to five rows of teeth in upper jaw and up to six in lower jaw (Ref. 34009).
A poor climber and thus restricted to the lower reaches and adjoining brackish waters; found in both altered and unaltered streams; omnivorous and a benthic feeder on filamentous algae, worms, crustaceans and insect larvae; not highly sought as food by the early Hawaiians (Ref. 44091). Benthic (Ref. 58302).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Nishimoto, R.T. and J.M. Fitzsimons, 1999. Behavioral determinants of the instream distribution native Hawaiian stream fishes. In: Proc. 5th Indo-Pac. Fish Conf., Noumea, 1997 [Séret B. & J.-Y. Sire, eds]. Proc. 5th Indo-Pac. Fish Conf., Noumea, 1997: 813-818. p. 813-818. In Séret B. & J.-Y. Sire (eds) Proc. 5th Indo-Pac. Fish Conf., Noumea, 1997. (Ref. 33984)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Ytterligare information
PopulärnamnsynonymerMetabolikPredatorerEkotoxikologiReproduktionKönsmognadLekSpawning aggregationFecundityÄggEgg development
Age/SizeTillväxtLength-weightLength-lengthLength-frequenciesMorfometriMorfologiLarverLarvdynamikRekryteringAbundansBRUVS
referenserVattenbrukVattenbruksprofilAvelslinjerGenetikElectrophoresesÄrftlighetSjukdomarBehandlingNutrientsMass conversion
MedarbetareBilderStamps, Coins Misc.LjudCiguateraHastighetSimsättGälytaOtolithsHjärnstorlekSyn
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00663 - 0.02390), b=3.06 (2.89 - 3.23), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.6 ±0.6 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
