Eigenmann's Needlefish
📖 Overview
Eigenmann's Needlefish (Potamorrhaphis eigenmanni), first described by Miranda Ribeiro, 1915 is a medium-sized fish in the family Belonidae (order Beloniformes). Adults typically reach 22.80 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 0; Dorsal soft rays (total): 27 - 33; Anal spines: 0; Anal soft rays: 24 - 29; Vertebrae: 64 - 72. Most closely resembles P. guianensis from which it differs most markedly in lower numbers of dorsal and anal fin rays, vertebrae, and predorsal scales. Predorsal scales 77-113, mean 93.9.: elongated.
🌀 Behaviour
Behavioural data for Eigenmann's Needlefish is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; pelagic; depth range 0 - ? m. Tropical South America: Upper Madeira River and its tributaries (Beni, Mamoré, and Guaporé); and Paraguay-Paraná River basin.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Eigenmann's Needlefish |
| 🌍CES | jehlice Eigenmannova |
| 🇵🇹Portuguese | Peixe-agulha-do-Jaurú |
| 🇪🇸Spanish | Pez aguja de río · Pirá-timbucú · Timbukú |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Potamorhaphis eigenmanni | Miranda Ribeiro | 1915 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 6 records indexed .
👥 Community & Contribute
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