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Doumea skeltoni  Ferraris & Vari, 2014

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

Actinopterygii (ray-finned fishes) > Siluriformes (Catfish) > Amphiliidae (Loach catfishes) > Doumeinae
Etymology: Doumea: Taken form a locality, Doumé, in Congo (Ref. 45335);  skeltoni: This species is named after Professor Paul H. Skelton, director emeritus of the South African Institute for Aquatic Biodiversity; he has long been a student of the taxonomy and biology of the Amphiliidae (Ref. 94772).

Environment / Climate / Range Ecology

Freshwater; demersal.   Tropical

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

Africa: Loémé River and Kouilou-Niari River basin in the Republic of the Congo (Ref. 94772).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 4.5 cm SL male/unsexed; (Ref. 94772)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 8; Anal spines: 0; Anal soft rays: 9 - 10; Vertebrae: 34 - 37. Diagnosis: Doumea skeltoni is distinguished from all congeners other than D. chappuisi, D. sanaga, and D. thysi in the number of pectoral-fin rays, being 10, rarely 9 or 11, versus 11 to 13 (Ref. 94772). It differs from D. chappuisi in the predorsal length, 38-45% of standard length vs. 32-37%; the body depth at the dorsal-fin origin, 13-16% of standard length vs. 9-13%; and modal value of the number of vertebrae, mode 35 and range 34-37 vs. mode 37 (Ref. 94772). Doumea skeltoni differs from D. sanaga in the predorsal length, 38-45% of standard length vs. 34-37%; the ratio of caudal-peduncle depth to caudal peduncle length, 12-15% vs. 9-11%; the number of vertebrae, 34-37 vs. 38-41; and nearly completely in the head length, 21-26% of standard length vs. 18-21%; and the body depth at the dorsal-fin origin, 13-16% of standard length vs. 10-13% (Ref. 94772). It differs from D. thysi in the caudal-peduncle length, 23-26% of standard length vs. 19-22%; the caudal-peduncle depth, 3-4% of standard length vs. 5-8; the ratio of the caudal-peduncle depth to caudal-peduncle length, 12-15% vs. 25-40%; and the interorbital width, 27-32% of head length vs. 33-38% (Ref. 94772).

Biology     Glossary (e.g. epibenthic)

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

Main reference Upload your references | References | Coordinator | Collaborators

Ferraris, C.J. and R.P. Vari, 2013. New species of Doumea (Siluriformes: Amphiliidae) from coastal river basins of the Republic of the Congo. Copeia 2013(4):577-581. (Ref. 94772)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 108899)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries:
FAO(Publication : search) | FisheriesWiki |

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Internet sources

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

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5020   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.0   ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low vulnerability (23 of 100) .