Stenorhynchus

Pronunciation

How to pronounce Stenorhynchus: //ˌstɛnoʊˈrɪŋkəs//

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Summary

Stenorhynchus is a genus of marine crabs known for their elongated bodies and long claws, found in shallow waters of the Atlantic and Pacific Oceans, with several species described.

Physical Characteristics

Members of the genus Stenorhynchus are characterized by an elongated body and long claws, adapted for their marine environment.

Identification Tips

Look for their distinctive elongated shape and long, slender pincers. S. seticornis has a yellow line along its carapace, while S. yangi is recognized for its red coloration.

Habitat

Stenorhynchus species are typically found in shallow marine waters, often among coral reefs or rocky substrates.

Distribution

These crabs are distributed in tropical and subtropical waters, particularly in the Atlantic and Pacific Oceans.

Diet

Stenorhynchus species primarily feed on small invertebrates and algae, using their long claws to capture prey.

Life Cycle

The life cycle includes a larval stage that undergoes metamorphosis before settling into adult habitats.

Reproduction

Stenorhynchus crabs exhibit external fertilization, with females carrying fertilized eggs under their abdomen until they hatch.

Predators

Natural predators include larger fish and other marine animals that prey on crabs.

Ecosystem Role

Crabs like those in the genus Stenorhynchus play a significant role in their ecosystem as both predators and prey, contributing to the food web.

Collecting Methods

• Hand collection
• Traps

Preservation Methods

• Freezing
• Pickling

Evolution

Stenorhynchus has evolutionary adaptations for life in marine environments, such as specialized appendages for feeding and locomotion.

Similar Taxa

• Other members of the family Inachidae
• Crabs in the superfamily Majoidea

Misconceptions

Some may confuse these crabs with other similar-looking species, but their long claws and specific color patterns are distinguishing features.

Tags

• marine
• crabs
• Inachidae
• Stenorhynchus