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Clarias batu  Lim & Ng, 1999

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Clarias batu
Picture by Ng, H.H.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Siluriformes (Catfish) > Clariidae (Airbreathing catfishes)
Etymology: Clarias: Greek, chlaros = lively, in reference to the ability of the fish to live for a long time out of water.

Environment / Climate / Range Ecology

Freshwater; demersal.   Tropical

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 30.5 cm SL male/unsexed; (Ref. 39637)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 67-75; Anal soft rays: 61 - 70; Vertebrae: 67 - 71. Possess the following unique combination of character states: body slender, body depth at anus 9.0-11.4% in SL; distance of occipital process to dorsal fin origin 9.9-11.8% in SL; dorsal and anal fins separate from caudal fin.

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Asia: endemic to Pulau Tioman, Malaysia.

Biology     Glossary (e.g. epibenthic)

Found in freshwater sections of torrent streams, in clear, cool, fast flowing water over a substrate of sand, rocks and large granite boulders. Largely carnivorous, subsisting on small fish, crustaceans and insects. Seems to be nocturnal, emerging into the open at night. Also Ref. 84801.

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Ng, H.H., 2001. Clarias microstomus, a new species of clariid catfish from Eastern Borneo (Teleostei: Siluriformes). Zool. Stud. 40(2):158-162. (Ref. 39637)

IUCN Red List Status (Ref. 96402)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00332 - 0.01511), b=3.00 (2.82 - 3.18), based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.4   ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low to moderate vulnerability (27 of 100) .
Price category (Ref. 80766):   Unknown.