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💧 Freshwater 🌡️ Tropical

Hemigrammus Serrazul

Hemigrammus serrazul Ferreira, Ribeiro & Carvalho, 2026
Max Length
3.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Overview information for Hemigrammus Serrazul is currently being compiled by our editorial team.

Scientific Name
Hemigrammus serrazul
Authority
Ferreira, Ribeiro & Carvalho, 2026
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
Max Length
3.8 cm
Trophic Level
3.3
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 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

Diet information for Hemigrammus Serrazul is currently being compiled.

🥚 Reproduction

Reproduction data for Hemigrammus Serrazul is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical South America: Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00589 × L3.16 (TL)
Max TL
3.8cm
Dorsal Rays
9
Anal Rays
23
Vertebrae
33

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Ferreira, Ribeiro & Carvalho, 2026

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