Physical description: A laterally compressed fish with an arched back and flat belly profile. The caudal fin is forked and the caudal penuncle is short and wide. The body color is gray-blue to bright blue and the belly is whitish. The fins are orange-yellow and there is an indistinct dark marking on the caudal penuncle.
Size/Length: To 9" (23 cm)
Similar species: Sun Loach ( B. eos), Red-finned Loach ( B. lecontei), Red-finned Loach ( B. rubipinnis )
Habitat: Inhabits still and slow moving waters in India, Thailand, Vietnam, and Malaysia
Aquarium: A tank measuring 28" (71 cm) with a capacity of 20-25 gallons (76-95 L) is sufficient for fish up to 4" (10 cm) in length. Larger fish require a 40" (101 cm) or 45-55 gallon (170-209 L) tank. A refuge for each fish is important. Follow suggestions for B. macracanthus regarding tank set-up.
Water chemistry: pH 6-7.5 (6.6), 1-8 dH (4), 77-84°F (25-29°C)
Social behavior: A shy, nocturnal species that is most active when kept in a school. The Orange-finned Loach is a highly territorial fish that will aggressively defend its territory against intruders. Only combine with large, robust species.
Suggested companions: Cichlasomines , Barbus schwanenfeldi, Chitala ornata, Anostomus, Astronotus, Colossoma, Metynnis, Serrasalmus, Leporinus, Scleropages.
FOOD: Live; worms, insect larvae, crustaceans, small fish; tablets; algae; plant matter
SEX: The male is smaller and more slender than the female when mature.
Breeding techniques: Unsuccessful
Breeding potential: 10. Breeding has yet to be accomplished in an aquarium.
Remarks: This species requires frequent partial water changes in order for its stunning color to develop. This species emits audible clicking sounds.
Difficulty of care: 5. This aggressive species is a good addition to a community tank having large, robust species. This fish requires live foods.
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