Leptobarbus hoevenii (Bleeker, 1851)
Hoven's carp
Jelawat
Leptobarbus hoevenii
photo by Ott, G.

Family:  Leptobarbidae (Cigar barbs)
Max. size:  100 cm SL (male/unsexed); max.weight: 10,000.0 g
Environment:  pelagic; freshwater; pH range: 7; dH range: 12; depth range - 3 m, potamodromous
Distribution:  Asia: Thailand to Sumatra and Borneo.
Diagnosis:  Dorsal soft rays (total): 9-9; Anal soft rays: 8-8. Juveniles with black longitudinal stripe (Ref. 43281).
Biology:  Found most often in freely flowing rivers and streams and seasonally on floodplains. Although reported to be non-migratory, it definitely does participate in local trophic migrations to and from inundated forests (Ref. 12693). Swims in shoals and are only fished in the Mekong especially during upstream (Jan.-Feb.) and downstream migration (Jun.-Jul.). Eats parenchyma and seeds of chaulmoogra tree (Hydnocarpus) falling into the streams; reported to become intoxicated and behaves in a peculiar manner and is believed to be toxic. Northern Laotians refrain from eating this fish but those in the South do. Cambodians and Vietnamese prize it highly (Ref. 2091). Eating flesh of the fish can cause nausea in humans (Ref. 12693).
IUCN Red List Status: Least Concern (LC); Date assessed: 06 April 2020 Ref. (130435)
Threat to humans:  other
Country info:  Known from Sumatra and Lake Tundai, South Borneo (Ref. 42107). Found in the Kapuas Lakes Area in western Borneo. Fishermen reported that this is most common in the Kapuas mainriver and not common in the lakes, but somehow more common in Pulau Majang where it breeds in December (Ref. 56749). Recorded from Danau Sentarum National Park in the Kapuas basin of Borneo, Kalimantan Barat (Ref. 56749). Museum: Kapuas, CAS 49215 (Ref. 2091). Important food fish kept in cages or caught in open waters. Its flesh is expensive (Ref. 7050). Genetic research (documentation of carp genetic resources) for the aquaculture sector is being done in the country (Ref. 55327).


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