Goyder, NT and Jardine River system near the N extremity of Cape York Peninsula, QLD. Inhabits slow-flowing streams, swampy ponds and billabongs with abundant aquatic vegetation and temperatures between 23°C-28°C.
Features Dorsal fin VI-IX +  I, 7; Anal fin I,10-12; Pectoral fin 9-12.
Body relatively elongate, laterally compressed; greatest body depth 4.6 to 5.6 in standard length; lateral line absent; jaw teeth conical to caniniform, one or more rows extending outside of mouth; vomer and palatines toothless; gill rakers on lower limb of first gill arch 11 to 13; vertebrae 32 or 33; head length 27.9-30.0 in SL; snout length 5.9-8.0 in SL; eye relatively large, diameter 10.7-12.4 in SL; sexual dimorphism characterized by extremely elongate rays at beginning of anal and second dorsal fins of males.
Scales relatively large, cycloid with well-developed radii, horizontal rows on body at level of anal fin origin usually 9 or 10, vertical rows from upper corner of gill opening to caudal fin base 30 or 31
Two separate dorsal fins, anal fin long-based; first dorsal fin consisting of 6 to 9 slender flexible spines; second dorsal fin with a stiff spine and 7 segmented rays; males with a large fan-shaped first dorsal fin and 2-3 long thread-like filaments on the anal and second dorsal fins; anal fin with a stiff spine and 10 or 12 segmented rays; anal fin originates on anterior half of body; only last 3 to 4 rays of second dorsal fin and last 3 to 8 rays of anal fin branched; upper and lower caudal fin margins elongate.
Size To 4 cm SL, commonly to 3 cm.
Colour Generally brownish with silvery reflections, darker brown to olive-green or bluish above, especially in males. Elongated anal and second dorsal fin rays in males are black and upper and lower caudal margins and first dorsal are orange to red.
Feeding Feed on insects and their larvae, micro-crustaceans and algae.
Biology Spawning occurs mostly yearound, and females deposit small numbers of eggs daily in weedy areas. Eggs are small with adhesive filaments. Hatching occurs after 7-10 days.

Werneri - Threadfin Rainbow Pairs

Name: Werneri - Threadfin Rainbow Pairs
SKU: AS1301

SKU: AS1301

AU$38.95

Quantity

Goyder, NT and Jardine River system near the N extremity of Cape York Peninsula, QLD. Inhabits slow-flowing streams, swampy ponds and billabongs with abundant aquatic vegetation and temperatures between 23°C-28°C.
Features	Dorsal fin VI-IX + I, 7; Anal fin I,10-12; Pectoral fin 9-12. Body relatively elongate, laterally compressed; greatest body depth 4.6 to 5.6 in standard length; lateral line absent; jaw teeth conical to caniniform, one or more rows extending outside of mouth; vomer and palatines toothless; gill rakers on lower limb of first gill arch 11 to 13; vertebrae 32 or 33; head length 27.9-30.0 in SL; snout length 5.9-8.0 in SL; eye relatively large, diameter 10.7-12.4 in SL; sexual dimorphism characterized by extremely elongate rays at beginning of anal and second dorsal fins of males. Scales relatively large, cycloid with well-developed radii, horizontal rows on body at level of anal fin origin usually 9 or 10, vertical rows from upper corner of gill opening to caudal fin base 30 or 31 Two separate dorsal fins, anal fin long-based; first dorsal fin consisting of 6 to 9 slender flexible spines; second dorsal fin with a stiff spine and 7 segmented rays; males with a large fan-shaped first dorsal fin and 2-3 long thread-like filaments on the anal and second dorsal fins; anal fin with a stiff spine and 10 or 12 segmented rays; anal fin originates on anterior half of body; only last 3 to 4 rays of second dorsal fin and last 3 to 8 rays of anal fin branched; upper and lower caudal fin margins elongate.
Size	To 4 cm SL, commonly to 3 cm.
Colour	Generally brownish with silvery reflections, darker brown to olive-green or bluish above, especially in males. Elongated anal and second dorsal fin rays in males are black and upper and lower caudal margins and first dorsal are orange to red.
Feeding	Feed on insects and their larvae, micro-crustaceans and algae.
Biology	Spawning occurs mostly yearound, and females deposit small numbers of eggs daily in weedy areas. Eggs are small with adhesive filaments. Hatching occurs after 7-10 days.