Bluntnosed sawtooth pellonuline

📖 Overview

Found in rivers and streams , perhaps not in lakes . It feeds on aquatic insects and also hydracarians .

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 13 - 15; Anal spines: 0; Anal soft rays: 16 - 20. Diagnosis: Body slender, its depth 18-27% of standard length; pre-pelvic scutes not strongly keeled, beginning under or behind base of last pectoral finray, 7-10 pre-pelvic and 9-12 post-pelvic scutes, belly rounded; snout bluntly rounded; lower jaw not projecting, exactly meeting tip of upper when mouth closed, deepest at mid-point of jaw, with small saw-like teeth on each side; pre-maxillae with small teeth pointing downward; maxilla very slender, its blade over 3 times as long as deep, upper edge ridged, lower edge without denticulations; posterior supra-maxilla very small, spatulate, its shaft about as long as its blade; lower gillrakers 14-16; silver stripe on flank, narrower anteriorly . It differs from Potamothrissa whiteheadi in having a distinct shaft to the posterior supra-maxilla and lacking dermal denticles on the snout, and from P. acutirostris in its blunt snout and fewer gillrakers, 14-16 vs. 16-18 . Other pellonulines lack saw-like teeth at the sides of the lower jaw . : fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Bluntnosed sawtooth pellonuline is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Freshwater; pelagic. Tropical; 7°N - 8°S Central African Republic (Ref.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🌐 Names & Taxonomy

Scientific Synonyms

🐠 Related Species

🔍 Similar Species

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 25 records indexed .

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