Tiburonia granrojo The Big Red Jellyfish is a rare deep sea cnidarian. Its genus is named after the ROV Tiburon (Spanish for shark) which...

Praya dubia The Giant Siphonophore is a deep sea cnidarian. Its habitat range is unknown, but is thought to live 2,000 (700 M) to 3,000...

Turritopsis dohrnii The Immortal Jellyfish is a Cnidarian native to the Mediterranean and waters surrounding Japan. It is a small...

Physalia Physalis The Portuguese Man of (o’) War is a species of siphonophore found in the Atlantic, Indian and Pacific ocean. One...