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Brachyhypopomus cunia Crampton, de Santana, Waddell & Lovejoy, 2017

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drawing shows typical species in Hypopomidae.

Classification / Names Nomi Comuni | Sinonimi | Catalog of Fishes(Genere, Specie) | ITIS | CoL | WoRMS | Cloffa

> Gymnotiformes (Knifefishes) > Hypopomidae (Bluntnose knifefishes)
Etymology: Brachyhypopomus: Greek, brachys, eia = short + Greek, hypo = under + Greek, poma, -atos = cover (Ref. 45335);  cunia: Named for the its type locality, lago Cuniã, a floodplain lake of the lower rio Madeira inside the Reserva Extrativista do lago do Cuniã. A noun in apposition..

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

; acqua dolce benthopelagico; pH range: 7.1 - ?. Tropical; 28°C - ? (Ref. 116763)

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

South America: Rio Madeira, Brazil.

Size / Peso / Age

Maturity: Lm ?  range ? - ? cm
Max length : 17.6 cm TL maschio/sesso non determinato; (Ref. 116763); 14.1 cm TL (female)

Short description Chiavi di identificazione | Morfologia | Morfometria

Raggi anali molli: 177 - 224. Brachyhypopomus cunia is distinguished from other species of the genus Brachyhypopomus by the following combination of characters: 16-17 precaudal vertebrae (vs. 18-26 in B. alberti, B. arrayae, B. beebei, B. belindae, B. brevirostris, B. draco, B. flavipomus, B. gauderio, B. hamiltoni, B. janeiroensis, B. jureiae, B. palenque, B. pinnicaudatus, and B. verdii; head depth at eye 47.8-60.0% HL (vs. 36.3-47.7% in B. batesi, B. bombilla, B. provenzanoi, B. regani, and B. sullivani); presence of scales in middorsal region of anterior third of body (vs. absence in B. benjamini; pectoral fin with 10-13 rays (vs. 14-20 in B. bennetti, B. diazi, B. menezesi, and B. occidentalis); mouth width 24.8- 38.0% HL (vs. 15.7-22.6% in B. hendersoni). It has overlapping meristic counts and morphological measurements with B. bullocki and B. walteri, but can be diagnosed by having a very distinctive pigmentation pattern consisting of ventral portions of the flank, over the anal-fin pterygiophores, darkly pigmented, forming a dark stripe along the base of the anal fin (also shared with B. hendersoni), and numerous discrete dark spots (each has a cluster of dark chromatophores) which are scattered over the anal-fin pterygiophores, and in some specimens form an irregular dotted line along the lateral line (vs. absence of dark stripe along the anal-fin base and absence of discrete dark spots over the ventral flank in B. bullocki and B. walteri) (Ref. 116763).

Biologia     Glossario (es. epibenthic)

Facultative air-breathing in the genus (Ref. 126274); Occurs in floodplain habitats with low conductivity. Occurs sympatrically above the major series of rapids and falls in the lower Madeira with Brachyhypopomus alberti, B. arrayae, B. bombilla, B. brevirostris, B. pinnicaudatus, B. sullivani, and B. walteri; and sympatrically and syntopically below the lower Madeira rapids with B. brevirostris, B. pinnicaudatus, and B. walteri (Ref. 116763). Feeds on aquatic insect larvae and other small aquatic invertebrates (Ref. 116763).

Life cycle and mating behavior Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve

Main reference Upload your references | Bibliografia | Coordinatore : Albert, James S. | Collaboratori

Crampton, W.G.R., C.D. de Santana, J.C. Waddell and N.R. Lovejoy, 2017. A taxonomic revision of the Neotropical electric fish genus Brachyhypopomus (Ostariophysi: Gymnotiformes: Hypopomidae), with descriptions of 15 new species. Neotrop. ichthyol. 14(4):e150146. (Ref. 116763)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 09 November 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

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Fonti Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Genere, Specie | 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, ricerca | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00145 - 0.00994), b=3.06 (2.83 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.1   ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).