Scheel's lampeye

📖 Overview

Found in rivers and brooks, mostly in weedy areas and under forest cover in river drainages ; also brackish water, river mouths, lagoons and estuaries along the coast . Not a seasonal killifish. Is very difficult to maintain in aquarium .

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 6 - 8; Anal spines: 0; Anal soft rays: 12 - 14. Diagnosis: Small ‘Lampeye’ with relatively long fins; dorsal, anal and caudal fins of the male trapezoid, upper lobe of caudal fin enlarged; ventral fins with extremely long second and third rays that may reach to the caudal fin base; dorsal-fin with 6-8 rays, anal fin with 12-14 rays; first dorsal fin ray above or just behind last anal fin ray; scales on mid-longitudinal series 24-27 . Colouration: Male colouration: body is yellow-grey to pale olive, the ventral area being silver; the sides with a light blue iridescence of dust fine spots; the iridescence is most intense on the anterior part of the side; iridescent spots not arranged in horizontal lines or bands; scales on the back and the upper parts of the sides with a narrow dark grey margin, producing a weak reticulation; dorsal fin is very pale yellow to transparent with rows of dark red-brown spots; anal fin very pale yellow to transparent with horizontal rows of dark red-brown spots; the caudal fin is pale yellow with curved rows of dark red spots; two colour phenotypes can be identified, a white and an orange, according to the colour of the margins at the dorsal and anal fin, upper and lower caudal fin and the colour of the extended ventral fins; in the adult male the ventral fins may extend to the end of the caudal peduncle . Female colouration: translucent pale grey with silver abdominal region; some small golden spots may be present on the sides, usually on or near the mid-lateral line; scales on the sides have very narrow grey edgings; all fins are colourless, ventral fins not extended . Both sexes have a distinct reflective blue spot in the upper part of the iris .: fusiform / normal.

🌀 Behaviour

Behavioural data for Scheel's lampeye is currently being reviewed.

🦐 Diet

Diet information for Scheel's lampeye is currently being compiled.

🥚 Reproduction

Reproduction data for Scheel's lampeye is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic; pH range: 5.8 - 7.2; non-migratory. Tropical; 24°C - 28°C

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

👥 Community & Contribute