Rhabdolichops lundbergi

Rhabdolichops lundbergi Correa, Crampton & Albert, 2006

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drawing shows typical species in Sternopygidae.

Classification / Noms Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Gymnotiformes (Knifefishes) > Sternopygidae (Glass knifefishes) > Eigenmanninae
Etymology: Rhabdolichops: Greek, rhabdos = stick + Greek, dolichos = long (Ref. 45335)lundbergi: Named for John G. Lundberg for his contributions to the study of gymnotiform and other Neotropical fishes.
Eponymy: Dr John Graham Lundberg (d: 1942) is an American ichthyologist. [...] (Ref. 128868), visit book page.

Environnement : milieu / zone climatique / profondeur / gamme de distribution Écologie

; eau douce benthopélagique; profondeur 10 - 18 m (Ref. 55969). Tropical

Distribution Territoires | Zones FAO | Écosystèmes | Occurrences | Carte par point | Introductions | Faunafri

South America: Brazil.

Taille / Poids / Âge

Maturité: Lm ?  range ? - ? cm
Max length : 24.1 cm TL mâle / non sexé; (Ref. 55969); 17.5 cm TL (female)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Diagnosis: Distinguished from it congeners (except R nigrimans) by the presence of long pectoral fins (P1/HL = 124.0 ± 9.7 vs. 60-100), with chromatophores generally restricted to the distal portions of the fin rays, creating a dark tip. Differs from R nigrimans by smaller adult body size; shorter caudal appendage with absence of sexual length dimorphism; smaller teeth on premaxilla, mesopterygoid, and dentary; and less numerous teeth on the premaxilla (18-20 vs. 20-25), mesopterygoid (8 vs. 11-13), and dentary (1213 vs. 25-34; n = 2 adults for each species) (Ref. 55969).

Biologie     Glossaire (ex. epibenthic)

This species is common in the main channel of the whitewater rivers of the Tefé region where it was found both in trawl-net samples at depths of 10-18 m and also, very abundantly, on sandy and muddy beaches sampled with seine nets. It occurs with R. eastwardi, caviceps, and electrogrammus, but not with nigrimans or navalha. The preferred habitat of this species is turbid river water with electrical conductivity in the range of 80-150 µScm-1. Mature males and females were found during the rising water phase of the Amazon River and were encountered among many other immature specimens on beaches. There in no information about the breeding habits of this species. Feeds on aquatic invertebrates-mainly larvae of Trichoptera and Ephemeroptera larvae, also of Coleoptera and Chironomidae. Some specimens had also ingested large amounts of adult Conchostraca (Ref. 55969).

Cycle de vie et comportement reproducteur Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Téléchargez vos références | Références | Coordinateur : Albert, James S. | Collaborateurs

Correa, S.B., W.G.R. Crampton and J.S. Albert, 2006. Three new species of the neotropical electric fish Rhabdolichops (Gymnotiformes: Sternopygidae) from the central Amazon, with a new diagnosis of the genus. Copeia 2006(1):27-42. (Ref. 55969)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))

  Préoccupation mineure (LC) ; Date assessed: 03 December 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

FAO - Publication: search | FishSource |

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Écologie trophique
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Estimations basées sur des modèles

Indice de diversité phylogénétique
(Réf. 82804)
PD50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.00355 (0.00161 - 0.00782), b=2.97 (2.77 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Niveau trophique
(Réf. 69278)
3.3   ±0.42 se; based on food items.
Vulnérabilité de la pêche
(Ref. 59153)
Low vulnerability (13 of 100). 🛈