Phractolaemus ansorgii, Hingemouth : fisheries

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Phractolaemus ansorgii Boulenger, 1901

Hingemouth
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Phractolaemus ansorgii
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Classificação / Names Nomes comuns | Sinônimos | Catalog of Fishes(Gênero, Espécies) | ITIS | CoL | WoRMS | Cloffa

> Gonorynchiformes (Milkfishes) > Kneriidae (Shellears) > Phractolaeminae
Etymology: Phractolaemus: Greek, phraktos = fence + Greek, laimos = throttle (Ref. 45335);  ansorgii: Named for the presence of 1-3 spines on the scales of the lateral line on the caudal peduncle, and on the 2 scale rows above and below the lateral line series (Ref. 93266).  More on author: Boulenger.

Environment: milieu / climate zone / depth range / distribution range Ecologia

; gua doce bentopelgico; pH range: 6.0 - 8.0; dH range: ? - 25.   Tropical; 25°C - 30°C (Ref. 13371)

Distribuição Países | Áreas da FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Africa: in West Africa from Lake Nokoué (Ouémé River, Benin) (Ref. 81277) to Cross River (Cameroon) (Ref. 52397) including the Ogun, Osse and Niger Delta (Ref. 81277). Also in the middle Congo River basin (Ref. 93183) in Republic of Congo and Democratic Republic of the Congo.

Tamanho / Peso / Idade

Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm TL macho/indeterminado; (Ref. 93183)

Descrição suscinta Morfologia | Morfometria

Espinhos dorsais (total): 0; Raios dorsais (total): 6; Espinhos anais 0; Raios anais : 6; Vértebras: 34 - 38. Diagnosis: head depressed and strongly ossified; anterior nostril elongate, forming an oblique, forward-pointing tube; posterior nostril crescent-shaped, located just behind the narial tube (Ref. 2913, 81277). Mouth small, protrusible (Ref. 245, 31256, 81277), placed at tip of a proboscis and opening upwards between the narial tubes (Ref. 2913, 81277), on upper surface of snout (Ref. 245, 31256). Narrow gill opening, but opercles very well developed, covering also the underside of the head where they overlap (Ref. 2913, 81277, 93183).

Biologia     Glossário (p.ex. epibenthic)

Lives in forest pools and swamps (Ref. 41580). Microphagous (Ref. 4910, 41580, 45483), especially phytophagous (epiphytes), and detritiphagous (Ref. 41580). Swim bladder entirely alveolar, functioning like a lung; this adaptation to aerial breathing allows the fish to survive under poor oxygenation conditions (Ref. 2913, 81277); recorded from nearly deoxygenated lungfish nest in Pool Malebo, Congo DR (Ref. 41585). Gonads, which are largely fused, are situated ventrally, not dorsally, in abdominal cavity (Ref. 41580). Mouth can be projected as a small trunk (Ref. 2913). Eggs transparent, yellow-greenish, 1.5-1.7mm diameter; large females may have several thousands of eggs (Ref. 41580). Particular blood system, with dark coloured and an abundant amouth of blood (Ref. 4910).

Ciclo de vida ou comportamento de acasalamento Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas

Males and females have lateral tubercles on their body which probably aid in maintaining contact during spawning (Ref. 38266).

Referência principal Upload your references | Referências | Coordenador | Colaboradores

Lévêque, C., 1990. Phractolaemidae. p. 189-191. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douces et saumâtres d'Afrique de l'Ouest. Tome I. Coll. Faune Tropicale n° XXVIII. Musée Royal de l'Afrique Centrale, Tervuren, and O.R.S.T.O.M.,Paris, 384 p. (Ref. 2913)

Status na Lista Vermelha da UICN (Ref. 123251)

  Segura ou pouco preocupante (LC) ; Date assessed: 05 June 2019

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para os humanos

  Harmless





Uso pelos humanos

Pescarias:
FAO - Publication: search | FishSource |

Mais informação

Nomes comuns
Sinônimos
Metabolismo
Predadores
Ecotoxicologia
Reprodução
Maturidade
Desova
Agregação de desova
Fecundidade
Ovos
Desenvolvimento dos ovos
Idade/Tamanho
Crescimento
Peso-comprimento
Comprimento-comprimento
Frequências de comprimento
Morfometria
Morfologia
Larvas
Dinâmica larval
Recrutamento
Abundância
BRUVS
Referências
Aquacultura
Perfil para aquacultura
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Frequências alélicas
Hereditariedade
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Nutrients
Conversão de massa
Colaboradores
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Stamps, Coins Misc.
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Fontes da internet

Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Checar Observador de Peixes (FishWatcher) | CISTI | Catalog of Fishes: Gênero, Espécies | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genoma, nucleotídeo | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Árvore da vida | Wikipedia: Ir para, procura | World Records Freshwater Fishing | Zoobank | Registro zoológico

Estimates based on models

Índice de diversidade filogenética (Ref. 82805):  PD50 = 1.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00427 (0.00164 - 0.01111), b=3.13 (2.90 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Nível Trófico (Ref. 69278):  2.3   ±0.1 se; based on diet studies.
Resiliência (Ref. 120179):  .
Vulnerabilidade (Ref. 59153):  Low vulnerability (13 of 100) .
Categoria de preço (Ref. 80766):   Unknown.