Rediscovering the tortoise-crab, Cryptocnemus vincentianus Hale, 1927 (Brachyura: Leucosiidae)

Orlando Lam Gordillo, Ryan Baring, Sabine Dittmann

Research output: Contribution to journalArticle

Abstract

The tortoise-crab Cryptocnemus vincentianus (Decapoda, Brachyura, Leucosiidae) was first described in 1927 based on one specimen, and with only one specimen recorded since, nothing is known about its biology. We document 11 recently discovered individuals of this species from the Gulf St. Vincent in South Australia. The original description was based on a single female, whilst our records comprise five females and six males. The morphology of male individuals of this species is described for the first time. Male specimens were smaller than female C. vincentianus. The habitat consisted of medium to coarse sediment in depth to 20 m. The crab was rare based on both occurrence (constancy index <10%) and abundance (<0.001% of all macrofauna recorded). Comments on the conservation status of the species are provided.
Original languageEnglish
Pages (from-to)235-243
Number of pages9
JournalTransactions of the Royal Society of South Australia
Volume143
Issue number2
DOIs
Publication statusE-pub ahead of print - 19 Aug 2019

Keywords

  • South Australia
  • Gulf Saint Vincent
  • Leucosiidae
  • rare species
  • endemic

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