Parakneria cameronensis

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Parakneria cameronensis (Boulenger, 1909)

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drawing shows typical species in Kneriidae.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Gonorynchiformes (Milkfishes) > Kneriidae (Shellears)
Etymology: More on author: Boulenger.

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

Freshwater; benthopelagic. Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Africa: Ntem basin (Ref. 81636) and Dja River (middle Congo River basin) (Ref. 89136) in Cameroon, Mbini River in Equatorial Guinea (Ref. 42020), and Louetsi (=Ngounié, Ogooué tributary), Nyanga and Mouvanga Creek in Gabon (Ref. 81636). Also reported from the Itimbiri and Aruwimi (middle Congo River basin)(Ref. 106290) and the Lualaba (upper Congo River basin)(Ref. 41590) in Democratic Republic of the Congo, but these are considered questionable in Ref. 81636.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 9.2 cm SL male/unsexed; (Ref. 81636)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 9-11; Anal spines: 0; Anal soft rays: 8 - 10; Vertebrae: 39. Diagnosis: body a little depressed in front (Ref. 1878), elongate, fusiform (Ref. 81636), its depth 5.66 (Ref. 41590) - 9.1 (Ref. 1878) times in TL, 8.5-9.1 times in SL (Ref. 89112, 89136), 10.8-14.5% SL, with greatest depth at or slightly anterior to dorsal fin origin (Ref. 81636). Head broader than deep, about 1.5 times as long as broad, its length 4.5-5 times in TL (Ref. 1878), 17.2-21.7% SL (Ref. 81636). Snout rounded, about as long as postorbital part of head (Ref. 1878, 89136), 2.35-2.8 times in HL (Ref. 89136). Eye superolateral, 3.75 (Ref. 41590) - 5.75 (Ref. 89136) times in HL, 1.3-1.75 times in interorbital distance, 1.65-2.45 times in snout length (Ref. 89136). Interorbital width 28.6-45.1% HL (Ref. 81636), 3.2-3.55 times in HL (Ref. 89136). Dorsal fin 1.2-1.3 times further from snout tip than from caudal fin origin (Ref. 89136), at equal distance from eye and root of caudal (Ref. 1878). Anal fin origin 2 (Ref. 1878) - 2.4 (Ref. 89136) times as distant from root of pelvics as from root of caudal. Pectoral fin paddle shaped (Ref. 81636), very large, 4-4.75 times in SL, 0.95- 1.2 times in HL (Ref. 89136). Pelvic fin 4.85-6.25 times in SL, 1-1.35 times in HL (Ref. 89136). Caudal peduncle about 1.45 (Ref. 89136) - 1.66 (Ref. 1878) times as long as deep.

Biology     Glossary (e.g. epibenthic)

Microphagous feeder (Ref. 51193).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Poll, M., 1984. Kneriidae. p. 129-133. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 3565)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 16 February 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | 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, Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).