Stenorhynchus debilis

Panamic arrow crab
Stenorhynchus debilis
Stenorhynchus debilis, Coiba, Panama, Photo: Graham Edgar
Stenorhynchus debilis
Stenorhynchus debilis, Galapagos, Photo: Graham Edgar
Stenorhynchus debilis
Stenorhynchus debilis, Galapagos, Photo: Graham Edgar
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Stenorhynchus debilis
Stenorhynchus debilis
Stenorhynchus debilis

Distribution

Tropical Eastern Pacific


Description

Orange brown crab with long spindly legs, a single long horn-like protuberance on front of head, and dark stripes running along carapace. Row of white spots along upper section of claw arms.


Information

Max Size: 30 cm

Sea Temperature Range: 25.7-30.3°C

Depth: 0-64m

Habitat Generalization Index: N/A

Also referred to as the SGI (Species Generalisation Index), this describes the habitat niche breadth of the species. Species with values less than 15 are found in a relatively narrow range of reef habitat types (specialists), while those over 25 may be found on most hard substrates within their range (generalists). Learn more here.


Conservation and Rarity

IUCN Status: Not Evaluated

Occurrence: Common (34.2% of sites)

Occurrence describes how often the species is found on surveys within its distribution. It is calculated as the % of reef sites surveyed by RLS divers across all the ecoregions in which the species has been observed

Abundance: Several (6 per transect)

Abundance is calculated as the average number of individuals recorded per RLS transect, where present.


Edit by: Joe Shields