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💧 Freshwater Data Deficient 🌡️ Tropical

Spotted sand catlet

Zaireichthys rotundiceps Hilgendorf, 1905
Max Length
3.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
18.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Inhabits fairly shallow water . Occurs over sand, usually buried with just the eyes protruding. Feeds on minute organisms. Eggs few (12-16) and large (3-5 mm diameter) suggesting possible parental care .

Scientific Name
Zaireichthys rotundiceps
Authority
Hilgendorf, 1905
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
3.8 cm
Trophic Level
3.4
Resilience
High
Vulnerability
18.00/100
Water Temp
22–25 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 2; Dorsal soft rays (total): 5 - 6; Anal spines: 0; Anal soft rays: 11 - 13; Vertebrae: 35 - 38. Diagnosis: This species differs from Zaireichthys lacustris and Z. maravensis in possessing a premaxillary tooth patch that is less than 40% of the mouth width; it has shorter barbels than Z. wamiensis, maxillary barbel 0.9-1.3 in head length vs. 0.7-0.9; and it is distinguished from Z. compactus by higher number of branched pectoral-fin rays, 7 vs. 6 . : elongated.

🌀 Behaviour

Behavioural data for Spotted sand catlet 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; dH range: 20 - ?. Tropical; 22°C - 25°C ; 11°S - 22°S

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.4±0.45
Food Items

minute organisms

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
3.8cm
Dorsal Spines
2
Dorsal Rays
6
Anal Rays
12
Vertebrae
37

🌡️ Water Parameters & Tolerance

Temperature Range
22–25°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2016

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
18.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Hilgendorf, 1905

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