Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas bentopelágico; intervalo de profundidade 25 - 110 m (Ref. 43239). Tropical
Northwest Pacific: along the coasts of China and Taiwan, from the Gulf of Pohai to Hainan.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 13.7 cm SL macho/indeterminado; (Ref. 10101)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 10 - 12; Raios dorsais (total) : 24 - 48; Espinhos anais: 2; Raios anais : 7 - 9; Vértebras: 24 - 26. Snout blunt. Interorbital space wide (8.0-9.7% SL). Anal soft rays usually eight. High gill raker count (6-7 + 1 + 10-14). Scales on throat ctenoid.
The most common species of Johnius (Johnius) in Chinese waters (Ref. 10101). Sandy-muddy bottoms and muddy bottoms from 25-110 m depth (Ref. 43239).
Ciclo de vida ou comportamento de acasalamento
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
Sasaki, K., 1990. Johnius grypotus (Richardson, 1846), resurrection of a Chinese sciaenid species. Jap. J. Ichthyol. 37(3):224-229. (Ref. 10101)
Status na Lista Vermelha da UICN (Ref. 130435)
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
Baixar XML
Fontes da internet
Estimates based on models
Preferred temperature (Ref.
123201): 13.1 - 23.6, mean 18.3 °C (based on 41 cells).
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00410 - 0.01937), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.4 ±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).
