Hemitriakis indroyonoi, Indonesian Houndshark

You can sponsor this page

Hemitriakis indroyonoi White, Compagno & Dharmadi, 2009

Indonesian Houndshark
Upload your photos and videos
Google image
Image of Hemitriakis indroyonoi (Indonesian Houndshark)
No image available for this species;
drawing shows typical species in Triakidae.

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

Elasmobranchii (sharks and rays) > Carcharhiniformes (Ground sharks) > Triakidae (Houndsharks) > Galeorhininae
Etymology: Hemitriakis: hemi-, from hemisys (Gr.), half, being a genus that Herre believed was “most closely related” to Triakis. (See ETYFish);  indroyonoi: In honor of Indroyono Soesilo (b. 1955), geologist, engineer and Chairman, Marine and Fisheries Research Agency (Jakarta, Indonesia), “who has provided a great deal of support for shark research in Indonesia and was a strong advocate for the production of the field guide to sharks and rays of Indonesia”. (See ETYFish).

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

Marine; demersal. Tropical; 9°N - 8°N, 115°E - 117°E

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

Indian Ocean: eastern Indonesia (Ref. 80994) and India (Ref. 118627).

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 90 - ? cm
Max length : 120 cm TL male/unsexed; (Ref. 123599)

Biology     Glossary (e.g. epibenthic)

Presumably occurring on the outer continental shelf and upper slope. Females have litters of 6-11 where reproductive mode is viviparous, with histotrophy (no yolk-sac placenta); size at birth about 28- 30 cm TL (Ref. 80994).

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

Main reference Upload your references | References | Coordinator : Compagno, Leonard J.V. | Collaborators

White, W.T., L.J.V. Compagno and Dharmadi, 2009. Hemitriakis indroyonoi sp. nov., a new species of houndshark from Indonesia (Carcharhiniformes: Triakidae). Zootaxa 2110:41-57. (Ref. 80994)

IUCN Red List Status (Ref. 130435)

  Endangered (EN) (A2d; B2ab(v)); Date assessed: 23 September 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration
Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Spawning aggregation
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
BRUVS
References
Aquaculture
Aquaculture profile
Strains
Genetics
Electrophoreses
Heritability
Diseases
Processing
Nutrients
Mass conversion
Collaborators
Pictures
Stamps, Coins Misc.
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

Download XML

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 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00363 (0.00185 - 0.00711), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  4.3   ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (72 of 100).