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💧 Freshwater Least Concern 🌡️ Tropical

Darwin Sole

Leptachirus darwinensis Randall, 2007
Max Length
7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
15.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Overview information for Darwin Sole is currently being compiled by our editorial team.

Scientific Name
Leptachirus darwinensis
Authority
Randall, 2007
Habitat
Freshwater
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
7 cm
Trophic Level
3.3
Resilience
High
Vulnerability
15.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Leptachirus
Leptachirus
Species
Darwin Sole
Leptachirus darwinensis

🐟 Physical Description

Dorsal soft rays (total): 71 - 73; Anal soft rays: 53 - 56; Vertebrae: 40 - 41. This species is distinguished by the following characters: D 71-73; A 53-56; pelvic rays 4; lateral-line scales 90-96; lateral line on ocular side of head with a ventral branch of 4-9 pores, remaining horizontal anterior part with 5-7 pores; vertebrae 40-41; dorsal pterygiophores anterior to fourth neural spine 8-9; body depth 3.1-3.2 in SL; no caudal peduncle; head length 4.3-4.6 in SL; small eyes, diameter 6.8-7.7 in HL; interorbital width 9.3-10.8 in HL; longest dorsal ray 1.85-1.95 in HL; caudal fin 4.1-4.35 in SL; pelvic fins and genital papilla not joined, their origins adjacent; short pelvic fins, reaching little beyond base of first anal ray, 2.75-3.05 in HL; ocular side light brown mottled with small darker brown blotches; 3 longitudinal rows of dark brown blotches of one to two eye diameters in size; dorsal and anal fins with indistinct brown spots centered on single rays and membrane to each side; caudal fin pale yellowish with of dark brown spots at base and transverse rows of progressively smaller and fainter spots in distal two-thirds of fin .: short and / or deep.

🌀 Behaviour

Behavioural data for Darwin Sole is currently being reviewed.

🦐 Diet

Diet information for Darwin Sole is currently being compiled.

🥚 Reproduction

Reproduction data for Darwin Sole is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00955 × L3.07 (TL)
Max TL
7cm
Dorsal Rays
72
Anal Rays
55
Vertebrae
41

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Randall, 2007

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