Maculabatis bineeshi, Short-tail whipray

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Related species
- Species in
  Maculabatis
- Species in
  Dasyatidae
- - Classification -
- Urogymninae
- Dasyatidae
- Myliobatiformes
- Elasmobranchii
- Chordata
- Animalia

Maculabatis bineeshi Manjaji-Matsumoto & Last, 2016

Short-tail whipray

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Native range | All suitable habitat | Point map | Year 2050

This map was computer-generated and has not yet been reviewed.

Maculabatis bineeshi AquaMaps Data sources: GBIF OBIS

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Image of Maculabatis bineeshi (Short-tail whipray)

Maculabatis bineeshi
Picture by Rahman, Md. S.

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

Elasmobranchii (sharks and rays) > Myliobatiformes (Stingrays) > Dasyatidae (Stingrays) > Urogymninae
Etymology: bineeshi: Named for Indian biologist K.K. Bineesh.
Eponymy: Dr K K Bineesh (d: 1981) is an Indian biologist who holds a master’s degree and a doctorate awarded by Cochin University of Science and Technology, Kerala (2015). [...] (Ref. 128868), visit book page.

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

Marine; demersal; depth range 13 - 22 m (Ref. 110187). Tropical

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

Indian Ocean: Pakistan and India, Bay of Bengal; probably most widely distributed but its occurrence may be strongly habitat dependent.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 66.0 cm WD male/unsexed; (Ref. 110187); 25.0 cm WD (female)

Short description Identification keys | Morphology | Morphometrics

Vertebrae: 108 - 114. This species (size at least 66 cm DW) is distinguished by the following set of characters: disc is weakly rhomboidal to suboval, its length 93-98% DW; snout is moderately elongate with weak apical lobe, snout angle 116-121°; pectoral-fin apices are broadly rounded; orbits small to medium-sized, barely protruding; relatively narrow mouth, its width 1.2-1.3 in internasal width; distance between first gill slits is 2.2-2.5 times internasal distance; distance between fifth gill slits is 1.4-1.6 times internasal distance, 28-30% of ventral head length; pelvic-fin base is broad, 14-15% DW; main suprascapular denticle is large, yellowish, broadly ovate, usually followed by smaller subtriangular denticle; secondary denticles developing rapidly, forming a broad band extending from interorbit to tail base by 24 cm DW; dorsal disc uniformly light brown, without white spots; pale ventrally with broad, faint and slightly darker lateral margins; tail dark brown to blackish dorsally and white ventrally forward of caudal sting; plain blackish posteriorly or with weak, irregular pale dorsal banding (in young); pectoral-fin radials 127-131; total vertebral count, 108-114, including synarcual centra, monospondylous centra 44-46, pre-sting diplospondylous centra 64-69 (Ref. 110187).

Smallest specimen, immature male at 20 cm WD is postnatal; birth size unknown, but probably ca. 15.0-17.0 cm WD (Ref. 110187).

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

Main reference Upload your references | References | Coordinator : McEachran, John | Collaborators

Manjaji-Matsumoto, B.M. and P.R. Last, 2016. Two new whiprays, Maculabatis arabica sp. nov. and M. bineeshi sp. nov. (Myliobatiformes: Dasyatidae), from the northern Indian Ocean. Zootaxa 4144(3):335-353. (Ref. 110187)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Critically Endangered (CR) (A2cd); Date assessed: 21 May 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Internet sources

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01023 (0.00486 - 0.02155), b=3.06 (2.87 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.7 ±0.4 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Very high vulnerability (90 of 100).

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