Abstract
The identity of the majid species of Paramaya De Haan, 1837, in the Indian Ocean is clarified with the collection of fresh specimens from the Bay of Bengal. Previously identified as P. spinigera (De Haan, 1837) which is known only from Japan, Taiwan, and Korea, the material from eastern India is here referred to a new species, P. mulli sp. n. The new species can easily be distinguished from all congeners by its relatively shorter pseudorostral and carapace spines, more swollen branchial regions, distinctly granulated male thoracic sternum, and the G1 is not prominently curved with the dorsal projection on the sub distal part short and the tip rounded.
Highlights
Ng and Richer de Forges (2015) revised the majid genus Maja Lamarck, 1801, and recognised Paramaya De Haan, 1837, as a valid taxon from the Indo-West Pacific
In the series of specimens of P. spinigera on hand, females generally have relatively shorter ambulatory legs compared to males
In larger male specimens of P. spinigera from Taiwan (85.0 × 66.4 mm, ZRC 1999.738), the merus is proportionately longer but is still relatively stouter (Fig. 5J). Females of both species have relatively shorter and stouter ambulatory legs compared to males (Fig. 5H)
Summary
Ng and Richer de Forges (2015) revised the majid genus Maja Lamarck, 1801, and recognised Paramaya De Haan, 1837, as a valid taxon from the Indo-West Pacific. Paramaya spinigera (De Haan, 1837): 7 males (85.0 × 66.4 mm, 78.2 × 62.1 mm, 73.6 × 55.3 mm, 68.3 × 53.4 mm, 73.8 × 58.4 mm, 62.8 × 49.0 mm, 72.8 × 57.3 mm), 1 ovigerous female (63.0 × 48.6 mm) (ZRC 1999.738), Longtong, near Keelung, northern Taiwan, in tangle nets for lobsters, coll. For other material of Paramaya species, see Ng and Richer de Forges (2015).
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