Aptychotrema timorensis  Last, 2004

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

Elasmobranchii (sharks and rays) > Rajiformes (Skates and rays) > Rhinobatidae (Guitarfishes) > Rhinobatinae
Etymology: Aptychotrema: Greek, a = without + Greek, ptyx, ptychos = fold + Greek, trema = hole (Ref. 45335);  timorensis: Named for its type locality, Timor Sea..   More on author: Last.

Environment / Climate / Range Ecology

Marine; benthopelagic; depth range 120 - 124 m (Ref. 58070).   Tropical

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 58.2 cm TL male/unsexed; (Ref. 58070)

Short description Morphology | Morphometrics

This species is distinguished by the following combination of characters: disc relatively large, broadly wedge-shaped, with a narrowly pointed snout; orbit diameter equal to interorbital width; tail short, about 1.1 times precIoacal length; mouth small, precloacal length about 8 times mouth width; first dorsal-fin short, length 6% TL, ca 2.3 times in interdorsal distance; dorsal-fin apices angular; caudal fin short, dorsal margin 12% TL; pelvic fin large, length about 2.8 times its width; post-synarcual vertebral centra 156; nasal lamellae 27; ventral tip of snout not black-tipped; dorsal surface covered with small, white spots (Ref. 58070).

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

Western Pacific: Australia.

Biology     Glossary (e.g. epibenthic)

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

Last, P.R., 2004. Rhinobatos sainsburyi n. sp. and Aptychotrema timorensis n. sp. -- two new shovelnose rays (Batoidea: Rhinobatidae) from the eastern Indian Ocean. Rec. Aust. Mus. 56(2):201-208. (Ref. 58070)

IUCN Red List Status (Ref. 90363)

  Vulnerable (VU) (B1ab(v))

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki |

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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 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), based on all LWR estimates for this body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.5   ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  .
Vulnerability (Ref. 59153):  Moderate vulnerability (37 of 100) .