Classificação / Names
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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Schismatogobius: Greek, schisma, -atos = crack, fissure + latin, gobius = gudgeon (Ref. 45335); alleni: Named for Gerry Allen for his extensive and enthusiastic work on the freshwater flsh fauna of Papua New Guinea..
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce demersal. Tropical
Oceania: Northern Papua New Guinea.
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 2.8 cm SL macho/indeterminado; (Ref. 116768); 3.3 cm SL (female)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 7; Raios dorsais (total) : 9; Espinhos anais: 1; Raios anais : 9. Schismatogobius alleni can be distinguished by having the following characters: pectoral fin with 17 rays; pectoral fins banded; membrane in flrst dorsal fin posterior to spine 6 not connected to base of spine of second dorsal fin; transverse row of papillae on midcheek between row D and d; male with ventral surface of head plain brownish with blackish pigment on frenum and pelvic disk; female with ventral surface of head blackish, black pigment surrounding whitish mentum and middle of lower lip; and frenum whitish (Ref.116768).
Occurs in streams with moderate flow in shallow areas of gravel (Ref. 116768).
Ciclo de vida ou comportamento de acasalamento
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
Keith, P., C. Lord and H.K. Larson, 2017. Review of Schismatogobius (Gobiidae) from Papua New Guinea to Samoa, with description of seven new species. / Revue de Schismatogobius (Gobiidae) de la Papouasie-Nouvelle-Guinée à Samoa, avec description de sept nouvelles espèces. Cybium 41(1):45-66. (Ref. 116768)
Status na Lista Vermelha da UICN (Ref. 130435)
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Estimates based on models
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00338 - 0.01553), b=3.05 (2.87 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).