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Polypterus teugelsi Britz, 2004
Life   Vertebrata   Fish   Polypteridae   Polypterus


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Genus + Species (e.g. Gadus morhua)

Polypterus teugelsi Britz , 2004

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Pictures | Google image Image of Polypterus teugelsi Polypterus teugelsi
Picture by van Uitert, K.

Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Polypteriformes (Bichirs) > Polypteridae (Bichirs)
Etymology: Polypterus: Greek, poly = a lot of + Greek, pteron = wing, fin (Ref. 45335 ) ;   teugelsi: Named after Guy Teugels, curator of fishes at the Royal Museum for Central Africa (MRAC), in honor of his myriad influential contributions to the systematics of African freshwater fishes (Ref. 51884 ) .

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

Freshwater; demersal; pH range: 7.4 - 7.5; dH range: ? - 1.   Tropical; 25°C - 27°C (Ref. 51884 )

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

Africa: restricted to upper Cross River in Cameroon (Ref. 51884 , 81628 ).

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 41.5 cm SL male/unsexed; (Ref. 51884 )

Short description Morphology | Morphometrics

Dorsal spines (total): 7 - 9; Vertebrae : 63 - 65. Diagnosis: Polypterus teugelsi is distinguished from all congeners by its unique live colouration comprising a network of black marks on an olive background on the dorsal and dorsolateral surface of the body, black pectoral fins, and an orange belly (Ref. 51884 ). It is further distinguished from species of the Polypterus bichir group by having the dorsal spines not extending anteriorly to the vertical through the posterior margin of the pectoral fin vs. extending to that point, 28-33 predorsal scales vs. 11-16, 7-9 dorsal spines vs. 11-18, and 37-40 scales around the body vs. 42-52 (Ref. 51884 ). It differs from all remaining Polypterus species, except P. ornatipinnis , by having more scales in the lateral line, 63-65 vs. 51-61 (Ref. 51884 ). It is distinguished from P. ornatipinnis in having 7-9 dorsal spines vs. 9-11, 28-33 predorsal scales vs. 22-27, 37-40 scales around the body vs. 40-42, and a very different colour pattern (Ref. 51884 ). It is distinguished from the similar Polypterus retropinnis in having a longer predorsal portion of the body, the predorsal length 46,7-54,8% of standard length vs. 55,7-63,2% and distance between pectoral fin and dorsal fin 18,3-25,2% of standard length vs. 30,2-42,6%; more prepelvic scales, 48-51 vs. 44-46; fewer predorsal scales, 28-33 vs. 33-36; more pectoral-fin rays, 40-42 vs. 26-32; more vertebrae, 63-65 vs. 57-58; in the absence of the distinct black blotch on the pectoral fin base vs. presence; and in the clour pattern of the dorsal and dorsolateral portions of the body, irregular dark marks forming a network vs. large dorsal black blotches (Ref. 51884 ).

Biology     Glossary (e.g. epibenthic)

Most abundant in densely shaded rainforest streams (Ref. 51884 ).

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

Main reference Upload your references | References | Coordinator | Collaborators

Britz, R. , 2004. Polypterus teugelsi , a new species of bichir from the Upper Cross River system in Cameroon (Actinopterygii: Cladistia: Polypteridae). Ichthyol. Explor. Freshwat. 15(2):179-186. (Ref. 51884 )

IUCN Red List Status (Ref. 120744 )

  Data deficient (DD)  ; Date assessed: 16 February 2009

CITES (Ref. 118484 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: FAO(Publication : search ) | FishSource |

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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes ( gen. , sp. ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank( genome , nucleotide ) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Tree of Life | Wikipedia( Go , Search ) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5002   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00479 (0.00200 - 0.01144), b=3.05 (2.84 - 3.26), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  3.3   ±0.5 se; Based on size and trophs of closest relatives Resilience (Ref. 120179 ):  . Vulnerability (Ref. 59153 ):  Moderate vulnerability (40 of 100) . Price category (Ref. 80766 ):   Unknown .

Entered by Boden, Gert Modified by Boden, Gert Fish Forum
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