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💧 Freshwater Data Deficient 🌡️ Tropical

Cichlid

Astatotilapia tweddlei Jackson, 1985
Max Length
9 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
13.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Inhabits swampy lakes and slow streams . The maximum length of 110 cm given by Eccles (1992) [Ref. 4967] is apparently a mistake, maybe for 11.0 cm.

Scientific Name
Astatotilapia tweddlei
Authority
Jackson, 1985
Habitat
Freshwater
Climate
Tropical
IUCN Status
DD
Max Length
9 cm
Trophic Level
3
Resilience
High
Vulnerability
13.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 14 - 16; Dorsal soft rays (total): 9 - 10; Anal spines: 3; Anal soft rays: 8 - 10; Vertebrae: 28 - 30. Diagnosis: A species of Astatotilapia with a relatively slender body, its depth 32-37% of standard length; snout pointed; mouth large, oblique, lower jaw 37-45% of head length; caudal fin well rounded, slender, maximum width when extended 75-80% of its length; caudal peduncle longer than deep, its length/depth 1.10-1.44; chest scales relatively small, 12-14 in mid-ventral line between the row's origin on the isthmus and its termination between pelvic fins; colouration of breeding males distinctive with a well-marked series of maroon red spots along flanks, in parallel rows along scale rows except rows on and above upper lateral line .

🌀 Behaviour

Behavioural data for Cichlid is currently being reviewed.

🦐 Diet

Diet information for Cichlid is currently being compiled.

🥚 Reproduction

Mouthbrooding by females.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical; 14°S - 16°S

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.01445 × L2.99 (TL)
Max TL
9cm
Dorsal Spines
15
Dorsal Rays
10
Anal Spines
3
Anal Rays
9
Vertebrae
29

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
13.00/100
Low vulnerability
Trophic Level
3
Predator
Climate Zone
Tropical
Described By
Jackson, 1985

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Cichlid

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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