Macrophthalmus setosus explained

Macrophthalmus setosus is a species of sentinel crab found on the east coast of Australia, from around Queensland to Sydney.^[1] Macrophthalmus setosus is found low down on muddy river and creek banks and in exposed sea grass areas in tidal zones, at times near mangroves. Males have a tooth on the upper claw (dactyl). The carapace is around 40 mm wide, and rectangular, greater than 1.7 times wide than long.^[2] Eye stalks are long and thin.

Notes and References

1. Davie . P.. 2012 . A review of Macrophthalmus sensu lato (Crustacea: Decapoda: Macrophthalmidae) from Australia, including two new species and new records. Memoirs of the Queensland Museum – Nature . Queensland Museum . 56 . 1 . 149–219.
2. Barnes . R.S.K . 2010 . A review of the sentinel and allied crabs (Crustacea: Brachyura: Macrophthalmidae), with particular reference to the genus Macrophthalmus . The Raffles Bulletin of Zoology . BRILL . 58 . 1 . 31–49.