Invasive species are a common occurrence in the world and they cause several impacts to
the local fauna. With the increasing naval traffic (consequently also increasing the use of …

Invasive species are a common occurrence in the world and they cause several impacts to
the local fauna. With the increasing naval traffic (consequently also increasing the use of …

The male reproductive system in Portunoidea is voluminous in order to produce the sperm
plug, avoiding sperm competition. The portunid crab, Charybdis hellerii, is a successful …

The spermathecas or seminal receptacles serve for the storage of spermatophores in the
females of Callinectes amnicola. In the microscopic plan, the wall of the spermatheques in …

Jespersen, Å. and Lützen, J. 2001. Ultrastructure of the seminal receptacle and the
dimorphic sperm in the commensal bivalve Mysella bidentata (Veneroida: Galeommatoidea …

Rhithropanopeus harrisii can tolerate a wide range of salinities from 0.5 to 27.5 ppt. While
Eurypanopeus depressus usually is found within the 4.5-20.4 ppt range, and Panopeus …

The present work aims to review and describe the current status of the invasive species
Callinectes sapidus Rathbun, 1896, along the Ionian coastal zone of Greece and to assess …

Predatory crabs are considered amongst the most successful marine invasive groups.
Nonetheless, most studies of these taxa have been descriptive in nature, biased towards …

Nesta tese conciliou-se os caracteres morfológicos e químicos do sistema reprodutor
masculino, incluindo espermatóforos, espermatozoides, fluido seminal e também os …

This study describes the reproductive and recruitment patterns of the swimming crab
Achelous spinimanus (Latreille, 1819) in the Ubatuba region of the northern coast of São …