Parachanna obscura, African obscure snakehead : fisheries

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Parachanna obscura (Günther, 1861)

African obscure snakehead
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Image of Parachanna obscura (African obscure snakehead)
Parachanna obscura
Female picture by Naus, E.

Classification / Names आम नाम | उपशब्द | Catalog of Fishes(वर्ग, प्रजाति) | ITIS | CoL | WoRMS | Cloffa

> Anabantiformes (Gouramies, snakeheads) > Channidae (Snakeheads)
Etymology: Parachanna: Greek, para = the side of + Greek, channe, -es = anchovy (Ref. 45335).
More on author: Günther.

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

; स्वच्छ जल, अलवण जल ड़िमरसल; पोटामोड़िरोमस (Ref. 51243). Tropical; 26°C - 28°C (Ref. 1672); 14°N - 3°S

वितरण देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | Point map | भूमिका | Faunafri

Africa: widely distributed from the Senegal River to the Chad system (Ref. 3575, 57290) up to the Nile (Ref. 3575) and Congo basins (Ref. 45434, 106290, 111328), including the Volta and Niger basins and many coastal basins in West Africa (Ref. 57290). In Lower Guinea known from most coastal basins (Ref. 81648).

आकार / वज़न / Age

Maturity: Lm ?  range ? - ? cm
Max length : 50.0 cm SL पुल्लिंग / अलिंग; (Ref. 31256); अधिकतम प्रकाशित वज़न: 1.0 kg (Ref. 3799)

Short description आकृति विज्ञान | मौरफोमैटरिक्स

पृष्ठीय रीढ़ (सम्पूर्ण): 0; पृष्ठीय सौफट रेज़ (सम्पूर्ण): 39-45; गुदा कांटा 0; ऐनल सौफट रेज़: 26 - 32. Diagnosis: body elongate; lateral-line scales medium-sized, numbering 65-78; head depressed anteriorly, relatively long and covered with scales larger than those on body; lower jaw slightly longer than the upper, with 4-6 well developed canines; dorsal and anal fins not touching caudal fin; dorsal fin with 39-45, anal with 26-32 rays; 5-8 more or less rounded or polygonal dark blotches on sides (Ref. 57290, 81648). Coloration: blackish to very dark olivaceous, marbled with ochre ventrally; dark lateral band on head, broadening between hind margin of eye and hind margin of gill cover; fins with more or less distinct dark spots/maculae forming oblique bands; small, rounded black spot at base of caudal fin; fingerlings (prejuveniles) ochre-coloured, with a black band running along middle of sides, from tip of snout to hind margin of caudal fin (Ref. 57290, 81648).

जीवविज्ञान     शब्द संग्रह (उदाहरणार्थ epibenthic)

Inhabits marginal vegetation and floodplains. Feeds on insects and small fish (Ref. 28714). Maximum SL reported 50.0 cm (Ref. 31256) larger than maximum TL 45.5 cm (Ref. 81648).

Life cycle and mating behavior परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा

Main reference Upload your references | संदर्भ | संयोजक | सहयोगीयो

Teugels, G.G., J.J. Breine and D.F.E. Thys van den Audernaerde, 1984. Channidae. p. 288-290. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Checklist of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 2. (Ref. 3575)

IUCN Red List Status (Ref. 125652)

  Least Concern (LC) ; Date assessed: 21 April 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

मात्स्यिकी: व्यापारिक
FAO - Publication: search | FishSource |

अधिक जानकारी

आम नाम
उपशब्द
चपायचय
परभक्षी
ईकोटोकसीकोलौजी
पुनरुत्पत्ति
परिपक्व अवधि
मछलीऔ का अंडे देना
Spawning aggregation
Fecundity
अंडे
Egg development
Age/Size
बाढ़
Length-weight
Length-length
Length-frequencies
मौरफोमैटरिक्स
आकृति विज्ञान
लार्वा
लारवल गतिकी
भर्ती
बहुतायत
BRUVS
संदर्भ
जलीयकृषि
जलीयकृषि रूपरेखा
खींच
आनुवंशिकी
ऐल्लि आवृतियाँ
हैरेटिबिलटी
बीमारी
प्रक्रमण
Nutrients
Mass conversion
सहयोगीयो
तस्वीरे
Stamps, Coins Misc.
ध्वनि
सिगुयटिरा
रफ्तार
तैरने के प्रकार
गिल क्षेत्र
Otoliths
दिमाग
दृष्टि

साधन

Special reports

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इंटरनेट स्रोत

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: वर्ग, प्रजाति | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, खोज | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00610 - 0.00943), b=3.01 (2.95 - 3.07), in cm total length, based on LWR estimates for this species (Ref. 93245).
Trophic level (Ref. 69278):  3.4   ±0.56 se; based on food items.
लौटाव (Ref. 120179):  माध्यम, न्यूनतम जनसंख्या दुगनी होने का समय 1.4 - 4.4 वर्ष। (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (44 of 100) .
Climate Vulnerability (Ref. 125649):   (0 of 100) .
Price category (Ref. 80766):   Unknown.
Nutrients (Ref. 124155):  Calcium = 148 [82, 279] mg/100g ; Iron = 1.16 [0.69, 2.00] mg/100g ; Protein = 17.8 [16.1, 19.4] % ; Omega3 = 0.207 [0.093, 0.466] g/100g ; Selenium = 74.4 [34.0, 171.0] μg/100g ; VitaminA = 24.1 [9.3, 64.1] μg/100g ; Zinc = 1.61 [1.04, 2.38] mg/100g (wet weight);