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💧 Freshwater 🌡️ Tropical

Brachyalestes Jackiae

Brachyalestes jackiae Stiassny & Melo, 2023
Max Length
11.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
13.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Brachyalestes Jackiae (Brachyalestes jackiae), first described by Stiassny & Melo, 2023 is a small fish. Adults typically reach 11.40 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.

Scientific Name
Brachyalestes jackiae
Authority
Stiassny & Melo, 2023
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
Max Length
11.4 cm
Trophic Level
3.2
Resilience
High
Vulnerability
13.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Brachyalestes
Brachyalestes
Species
Brachyalestes Jackiae
Brachyalestes jackiae

🐟 Physical Description

Dorsal soft rays (total): 8; Anal soft rays: 11 - 13; Vertebrae: 36 - 38. This species is distinguished from its congeners by the following set of characters: presence of a conspicuous midlateral stripe; midlateral stripe diffuse narrow or broad, straight band of dark pigmentation passing from the caudal blotch to midbody or extending to the opercle; strongly demarcated and distinctively club-shaped anteriorly; presence of an anterior extension of the club-shaped midlateral stripe in males; absence of humeral spot; 21-23 lateral line scales; caudal peduncle depth 9.0-10.6% of SL; absence of an anterior extension of a club-shaped midlateral stripe in males; absence of a humeral spot; pored lateral line scales 21-23; presence of a dark club-shaped midlateral stripe; and absence of dark blotches .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Brachyalestes Jackiae is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; pelagic. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01072 × L3.02 (TL)
Max TL
11.4cm
Dorsal Rays
8
Anal Rays
12
Vertebrae
37

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
13.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Stiassny & Melo, 2023

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