Fiddler crab.

Adult medusa. The juvenile stage the spider crab Libinia ferreirae can be seen inside the bell of the jellyfish Lychnorhiza lucerna.

Adult medusa. The juvenile stage the spider crab Libinia ferreirae can be seen inside the bell of the jellyfish Lychnorhiza lucerna.

Adult medusa. The juvenile stage the spider crab Libinia ferreirae can be seen inside the bell of the jellyfish Lychnorhiza lucerna.

Adult medusa. The juvenile stage the spider crab Libinia ferreirae can be seen inside the bell of the jellyfish Lychnorhiza lucerna.

The spider crab has very long and thin legs and a narrow triangular body with a long rostrum.

Adult medusa. The juvenile stage the spider crab Libinia ferreirae can be seen inside the bell of the jellyfish Lychnorhiza lucerna.

Adult medusa. The juvenile stage the spider crab Libinia ferreirae can be seen inside the bell of the jellyfish Lychnorhiza lucerna.

Adult medusa. The juvenile stage the spider crab Libinia ferreirae can be seen inside the bell of the jellyfish Lychnorhiza lucerna.

Adult medusa. The juvenile stage the spider crab Libinia ferreirae can be seen inside the bell of the jellyfish Lychnorhiza lucerna.

Adult medusa. The juvenile stage the spider crab Libinia ferreirae can be seen inside the bell of the jellyfish Lychnorhiza lucerna.

Fiddler crab.

Fiddler crab.

Adult medusa. The juvenile stage the spider crab Libinia ferreirae can be seen inside the bell of the jellyfish Lychnorhiza lucerna.

Adult medusa. The juvenile stage the spider crab Libinia ferreirae can be seen inside the bell of the jellyfish Lychnorhiza lucerna.

Fiddler crab.

Fiddler crab.

Adult medusa. The juvenile stage the spider crab Libinia ferreirae can be seen inside the bell of the jellyfish Lychnorhiza lucerna.

Fiddler crab.

Adult medusa.

Adult medusa. The juvenile stage the spider crab Libinia ferreirae can be seen inside the bell of the jellyfish Lychnorhiza lucerna.

Adult medusa. The juvenile stage the spider crab Libinia ferreirae can be seen inside the bell of the jellyfish Lychnorhiza lucerna.

Adult medusa. The juvenile stage the spider crab Libinia ferreirae can be seen inside the bell of the jellyfish Lychnorhiza lucerna.

Adult medusa. The juvenile stage the spider crab Libinia ferreirae can be seen inside the bell of the jellyfish Lychnorhiza lucerna.

Fiddler crab.