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Ophidiiformes (Cusk eels) >
Bythitidae (Livebearing brotulas)
Etymology: Grammonus: Greek, gramma = signal, mark + Greek, onos = hake; thielei: Named for Werner Thiele, who photographed and caught the holotype.
Eponymy: Werner Thiele (d: 1966) is an Austrian self-taught underwater photographer. He was the first person to photograph and capture this species. (Ref. 128868), visit book page.
More on authors: Nielsen & Cohen.
Ambiente: milieu / zona climática / intervalo de profundidade / gama de distribuição
Ecologia
marinhas bentopelágico; intervalo de profundidade 2 - 25 m (Ref. 56143). Tropical; 21°C - 25°C (Ref. 56143)
Distribuição
Territórios | Áreas FAO | Ecossistemas | Ocorrências | Mapa dos pontos | Introduções | Faunafri
Western Pacific: Sulawesi, Indonesia.
Tamanho / Peso / Idade
Maturidade: Lm ? range ? - ? cm
Max length : 18.0 cm TL macho/indeterminado; (Ref. 56143); 15.0 cm TL (female)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
Raios dorsais moles (total) : 66; Raios anais moles: 41. Diagnosis: Fin rays in dorsal 66; anal 41; pectoral 21. Vertebrae 11 + 27 (ural elements counted as 1). Head length 33% SL. One large lateral line pore (equal to posterior supraorbital pore) near angle of opercle. The caudal fin is free of the dorsal and anal fins (Ref. 56143).
Observed in limestone caves and sinkholes which are probably connected at depths between 2 and 30 meters; often in lightless chambers without current, few are found at the entrance of caves where they hide beneath rock ledges. No reaction to torchlight was shown and escape distance was only about 2 centimeters; mostly were seen motionless, with only a slight movement of the fins maintaining the fishes' position (Ref. 56143).
Ciclo de vida e comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Nielsen, J.G. and D.M. Cohen, 2004. Grammonus thielei (Ophidiiformes: Bythitidae) - a new bythitid cavefish from off Sulawesi, Indonesia. The Beagle 20:83-86. (Ref. 56143)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2025-2 (Global))
Ameaça para o homem
Harmless
Utilização humana
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimativas baseadas em modelos
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00192 - 0.01191), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.5 ±0.5 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.).
Vulnerabilidade da pesca (Ref.
59153): Low vulnerability (10 of 100).
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