Compsaraia samueli, Pelican Knifefish

Compsaraia samueli Albert & Crampton, 2009

Pelican Knifefish
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Image of Compsaraia samueli (Pelican Knifefish)
Compsaraia samueli
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klasifikasi / Nama Nama-nama umum | Sinonim (persamaan) | Catalog of Fishes(Marga, Jenis) | ITIS | CoL | WoRMS | Cloffa

> Gymnotiformes (Knifefishes) > Apteronotidae (Ghost knifefishes) > Apteronotinae
Etymology: Compsaraia: Greek, kompsos, -e, -on = elegance, polish, gracefulness + see under Raja; samueli: Patronym in honour of Dr Samuel Albert, who provided the authors with specimens of the type series.
Eponymy: Dr Samuel Albert is the senior author’s father. [...] (Ref. 128868), visit book page.

Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi Ekologi

; air tawar pelagis, permukaan. Tropical; 3°S - 4°S, 61°W - 62°W

Penyebaran Wilayah | Daerah-daerah FAO | Ekosistem | Kemunculan | peta titik | Introduksi | Faunafri

South America: Brazil. Known from the western Amazon River basin of Peru and Brazil. Collection localities are in the Rio Amazonas, near Iquitos, Peru, the Rio Solimões below the confluence of the Rio Purus, Brazil, and the lower Rio Iça of Brazil.

Ukuran / Berat / umur

Kematangan: Lm ?  range ? - ? cm
Max length : 22.6 cm SL jantan/; (Ref. 80384)

deskripsi pendek Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik

Compsaraia samueli differs unambiguously from C. compsa by the presence of the following character states:more caudal-fin rays (17–18 [mode 18] vs. 13–16 [mode 14]); a shorter caudal peduncle (CP/LEA = 9% [0–23%] vs. 34% [18–46%]); a less tapering body shape in lateral profile, in which the ratio of body depth measurements at the anal fin and dorsal organ origins is greater (93% [80–116%] vs. 75% [67–82%]); and a smaller body size (minimum size at sexual maturity 144 mm [vs. 165 mm], maximum total length of 230 mm [vs. 305 mm]). Compsaraia samueli may be further distinguished from C. compsa by secondary sexual dimorphisms in several features of snout and jaw morphology (Ref. 80384).
Body shape (shape guide): elongated; Cross section: compressed.

Biologi     Daftar kata (contoh epibenthic)

Electric organ discharge known from two sexually mature females and three sexually mature males. The two female specimens exhibited a lower Fo (1.242–1.243 kHz) than the three male specimens (1.337, 1.387 and 1.396 kHz) (Ref. 80384).

Siklus hidup dan perilaku kawin Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva

rujukan utama Unggah referensi Anda | Acuan | Koordinator : Albert, James S. | mitra

Albert, J.S. and W.G.R. Crampton, 2009. A new species of electric knifefish, genus Compsaraia (Gymnotiformes: Apteronotidae) from the Amazon River, with extreme sexual dimorphism in snout and jaw length. Systematics and Biodiversity 7(1):81-92. (Ref. 80384)

Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))

  kurang bimbang (LC) ; Date assessed: 21 July 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

ancaman kepada manusia

  Harmless





penggunaan manusia

FAO - Publication: search | FishSource |

informasi lanjut

Ekologi trofik
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Sumber internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | semak peneliti ikan | CISTI | Catalog of Fishes: Marga, Jenis | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: pergi, Cari | World Records Freshwater Fishing | Zoobank | Catatan Zoologi

Estimasi berdasarkan model

Indeks keanekaragaman filogenetik
(Acuan 82804) 		PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.00347 (0.00141 - 0.00851), b=3.06 (2.85 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Tingkat Trofik
(Acuan 69278) 		3.3   ±0.3 se; based on size and trophs of closest relatives
Kerentanan Penangkapan Ikan
(Ref. 59153) 		Low vulnerability (18 of 100). 🛈