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2010•Species DiversityOpen access

Redescription of a Poorly Known Stingray, Dasyatis laevigata (Chondrichthyes: Dasyatidae), with Notes on Some Biological Aspects in Ariake Sea, Japan

Keisuke Furumitsu, Jie Zhang, Atsuko Yamaguchi

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Abstract

The poorly known dasyatid stingray Dasyatis laevigata Chu, 1960 is redescribed on the basis of a single syntype and 18 recently collected specimens from Ariake Sea, Japan, and the East China Sea. Sexual dimorphism and growth-related variation in taxonomic characters are considered, and life history characteristics, such as distribution and size at maturity, are clarified on the basis of an additional 464 specimens.

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The poorly known dasyatid stingray Dasyatis laevigata Chu, 1960 is redescribed on the basis of a single syntype and 18 recently collected specimens from Ariake Sea, Japan, and the East China Sea. Sexual dimorphism and growth-related variation in taxonomic characters are considered, and life history characteristics, such as distribution and size at maturity, are clarified on the basis of an additional 464 specimens.

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Available abstract

The poorly known dasyatid stingray Dasyatis laevigata Chu, 1960 is redescribed on the basis of a single syntype and 18 recently collected specimens from Ariake Sea, Japan, and the East China Sea. Sexual dimorphism and growth-related variation in taxonomic characters are considered, and life history characteristics, such as distribution and size at maturity, are clarified on the basis of an additional 464 specimens.

Key concepts: Stingray, Chondrichthyes, Fishery, Biology, Zoology

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Redescription of a Poorly Known Stingray, Dasyatis laevigata (Chondrichthyes: Dasyatidae), with Notes on Some Biological Aspects in Ariake Sea, Japan — Research Paper | ScholarLens