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💧 Freshwater 🌡️ Tropical

Moenkhausia Britskii

Moenkhausia britskii Santos & Benine, 2016
Max Length
5.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
12.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Moenkhausia Britskii (Moenkhausia britskii) is a ray-finned fish of the family Acestrorhamphidae. It inhabits freshwater waters. This species can reach a maximum total length of 5.8 cm. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Moenkhausia britskii
Authority
Santos & Benine, 2016
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
Max Length
5.8 cm
Trophic Level
3.3
Resilience
High
Vulnerability
12.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 9; Anal soft rays: 24 - 25. This species is distinguished from its congeners, except M. grandisquamis, M. tergimacula, M. xinguensis, by having a single humeral spot, with a silvery lateral stripe, no dark line at the base of the anal-fin rays, no caudal lobule mark, dorsal fin hyaline, with 5 series of scales above lateral line and 4 series of scales below lateral line; differs from M. tergimacula by the absence of a dark spot anteriorly to the dorsal-fin origin; differs from M. xinguensis by the scales showing upward and downward bent radii (vs. scales with straight radii); differs from M. grandisquamis by its larger humeral spot, located over the third to fifth or fourth to sixth lateral-line scales and extending vertically over three or four horizontal scale rows above the lateral line (vs. a smaller humeral spot, located over second to third or third to fourth scale of the series immediately above the lateral line); also differs by having 4 or 5 cusps on the second tooth of the inner row of the premaxilla (vs. eight, seven, occasionally six cusps on the second tooth of the inner row of the premaxilla in M. grandisquamis) .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Moenkhausia Britskii is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical South America: Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01318 × L3.1 (TL)
Max TL
5.8cm
Dorsal Rays
9
Anal Rays
25

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
12.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Santos & Benine, 2016

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