Hemigrammus Serrazul
📖 Overview
Hemigrammus Serrazul (Hemigrammus serrazul), first described by Ferreira, Ribeiro & Carvalho, 2026 is a tiny fish in the family Acestrorhamphidae (order Characiformes). Adults typically reach 3.80 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.
🔬 Taxonomy
🐟 Physical Description
Dorsal soft rays (total): 9; Anal soft rays: 21 - 25; Vertebrae: 33. This species is distinguished from its congeners by the following set of characters: flank uniformly colored, without spots, i.e., no humeral and caudal spots, just a tiny and narrow longitudinal stripe; premaxillary teeth in two rows: outer with three to five tricuspid teeth, inner with five tetra- pentacuspid teeth; a narrow silvery/yellowish longitudinal stripe on flank, with slightly blackish upper eye portion in in vivo specimens; pored lateral-line scales 12-15 (mode 15); branched anal-fin rays 21-25 (mode 22); and small bony hooks on the tip of lepidotrichia of the second to fourth branched pelvic-fins rays present, these absent from the anal fin .: elongated; Cross section: compressed.
🌀 Behaviour
Behavioural data for Hemigrammus Serrazul is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; benthopelagic. Tropical South America: Brazil.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
📊 Population Risk & Fisheries
🦠 Common Diseases
The following diseases are known to affect Hemigrammus Serrazul.
🔍 Similar Species
👥 Community & Contribute
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