Hemibagrus lacustrinus

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Hemibagrus lacustrinus Ng & Kottelat, 2013

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drawing shows typical species in Bagridae.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Siluriformes (Catfishes) > Bagridae (Bagrid catfishes)
Etymology: Hemibagrus: Greek, hemi = the half + Mozarabic, bagre, Greek, pagros = a fish, Dentex sp. (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; demersal. Tropical

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

Asia: Danau Singkarak and upper Ombilin River in Sumatra, Indonesia.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 22.3 cm SL male/unsexed; (Ref. 93057)

Short description Morphology | Morphometrics

Dorsal spines (total): 2; Dorsal soft rays (total): 7; Anal soft rays: 12 - 13; Vertebrae: 49 - 50. The following characters distinguished this species from all members of the Hemibagrus planiceps species group: dorsal to adipose distance 7.6-10.9% SL (vs. 10.6-17.6); adpressed dorsal fin reaching (vs. not reaching the origin of the adipose fin) and (except for H. bongan and H. planiceps) adipose-fin base 18.8-20.4% SL (vs. 11.1-17.9). Can be further distinguished from H. bongan in having body depth at anus 12.2-13.6% SL (vs. 9.5-12.9), and from H. divaricatus in having maximum height of adipose fin 4.1-6.0 times in length of base (vs. 1.9-3.2) and eye diameter 17-19% HL (vs. 11-17). Differs further differs from H. gracilis in having caudal peduncle depth 7.3-8.1% SL (vs. 6.2-7.6) and vertebrae 49-50 (vs. 50-52) and H. planiceps in having interorbital distance 30-32% HL (vs. 32-37) and vertebrae 49-50 (vs. 47-49) (Ref. 93057).

Biology     Glossary (e.g. epibenthic)

The upper Ombilin River where this species occupies is relatively swift flowing, with a substrate of gravel and rock. Believed to inhabit inshore areas of the lake, Danau Singkarak. Sympatric with Hemibagrus velox (Ref. 93057).

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

Main reference Upload your references | References | Coordinator | Collaborators

Ng, H.H. and M. Kottelat, 2013. Revision of the asian catfish genus Hemibragus Bleeker, 1862 (Teleostei: Siluriformes: Bagridae). Raffles Bull. Zool. 61(1):205-291. (Ref. 93057)

IUCN Red List Status (Ref. 130435)

  Endangered (EN) (B1ab(iii)); Date assessed: 01 September 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00440 - 0.02172), b=3.00 (2.82 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.5   ±0.6 se; based on size and trophs of closest relatives
Resilience (Ref. 120179):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (17 of 100).