Brachyplatystoma capapretum  Lundberg & Akama, 2005

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

Actinopterygii (ray-finned fishes) > Siluriformes (Catfish) > Pimelodidae (Long-whiskered catfishes)
Etymology: Brachyplatystoma: Greek, brachys, eia = short + Greek, platys = flat + Greek, stoma = mouth (Ref. 45335);  capapretum: The name capapretum is from Portuguese. While seeking information about this undescribed species in Belém, the authors encountered only one person who distinguished the species from the similar "filhote" or "piraiba", B. filamentosum. This o.

Environment / Climate / Range Ecology

Freshwater; benthopelagic; depth range 5 - 10 m (Ref. 55106).   Tropical

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 58.1 cm SL male/unsexed; (Ref. 55106); max. published weight: 32.7 kg (Ref. 72380)

Short description Morphology | Morphometrics

Brachyplatystoma capapretum is characterized by the following features of which the first three are unique among the Pimelodidae and the last is unique among the rachyplatystomatini. 1. Jaw teeth dimorphic with mostly fine, densely spaced outer teeth and relatively few (three to six) inner rows of slender, straight, inwardly depressible teeth. 2. Juveniles (less than 200 mm SL, but some as large as 300 mm SL) marked by bold, large(twice or more times eye diameter) dark brown or gray spots centered above lateral line; ground color in preservative tan to medium brown. 3. Adults and juveniles (more than ca. 200 mm SL) black to very dark gray or brown dorsally and abruptly countershaded along a horizontal from snout tip to caudal-fin base, especially along posterior half of body just above or at lateral line; ventrally plain white to dusky cream; most specimens with light patch anterior to upper lobe of caudal fin. 4. Caudal fin of adults moderately to shallowly forked, lobes broad and nearly equal.

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

South America: Amazon River from Belém, Brazil upriver to at least Iquitos, Peru, and several large tributary rivers and lakes including Trombetas, Madeira, Negro, Manacapuru, Purus, Tefé, Juruá, Jutaí, and Içá.

Biology     Glossary (e.g. epibenthic)

Collected below 200 m asl in the Amazon mainstream and largest white and black water triburtaries; trawled 10s to 100s m off shore, on mud and sand substrates (Ref. 55106).

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

Main reference Upload your references | References | Coordinator | Collaborators

Lundberg, J.G. and A. Akama, 2005. Brachyplatystoma capapretum: a new species of Goliath catfish from the Amazon basin, with a reclassification of allied catfishes (Siluriformes: Pimelodidae). Copeia 2005(3):492-516. (Ref. 55106)

IUCN Red List Status (Ref. 96402)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki |

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00513 (0.00213 - 0.01237), b=3.11 (2.90 - 3.32), based on LWR estimates for this (Sub)Family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  4.3   ±0.8 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Moderate to high vulnerability (47 of 100) .
Price category (Ref. 80766):   Unknown.