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💧 Freshwater 🌡️ Tropical

Cambeva Occidentalis

Cambeva occidentalis Santos & Katz, 2025
Max Length
4.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

The species inhabits a shallow stream less than 50 cm in depth and approximately 4-5 m in width, characterized by moderate to sparse riparian cover consisting mainly of a thin line of bamboo and understory vegetation. The substrate is predominantly sandy, with sections of moderate flow lined with pebbles .

Scientific Name
Cambeva occidentalis
Authority
Santos & Katz, 2025
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
Max Length
4.6 cm
Trophic Level
3.1
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Cambeva
Cambeva
Species
Cambeva Occidentalis
Cambeva occidentalis

🐟 Physical Description

Dorsal spines (total): 2; Dorsal soft rays (total): 8; Anal spines: 2; Anal soft rays: 5. This species is distinguished from its congeners by the following set of characters: 20 or 21 dorsal and 6-8 ventral caudal-fin rays; 25-27 interopercular odontodes and 21-24 premaxillary teeth; medial margin of the autopalatine nearly straight to slightly convex; sesamoid supraorbital with a lateral projection; anterior portion of the mesethmoid just posterior to cornu base relatively broad; dorsal process of the opercle stick-shaped; anterior portion of the preopercle not distinctively elongated; parurohyal foramen small; and posterior process of the parurohyal long, with a length about equal the lateral process length (Ref 138050).: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Cambeva Occidentalis is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Tropical South America: Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00759 × L3 (TL)
Max TL
4.6cm
Dorsal Spines
2
Dorsal Rays
8
Anal Spines
2
Anal Rays
5

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Santos & Katz, 2025

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