Darwin Sole (Leptachirus darwinensis)

Scientific name: Leptachirus darwinensis Randall, 2007

Darwin Sole (Leptachirus darwinensis)

The Darwin Sole (Leptachirus darwinensis) is a freshwater fish of the family Soleidae. Native range: Oceania, Northern Territory, Australia.

Biology

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 e

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Leptachirus darwinensis
Family
Soleidae (Soles)
Order
Pleuronectiformes (Flatfishes)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
7.0
Environment
Freshwater; benthopelagic
Climate
Tropical
Distribution
Oceania: Northern Territory, Australia.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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