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Physophora hydrostatica

Physophora hydrostatica

Physophora hydrostatica

Physophora hydrostatica

Physophora hydrostatica

Physophora hydrostatica

Hydrozoa jellyfish larva  Picture: Dr. Richard Kirby/BNPS

Environment

Hydrozoa jellyfish larva Picture: Dr. Richard Kirby/BNPS

Pulpo Dumbo (Grimpoteuthis)

Pulpo Dumbo (Grimpoteuthis)

Physophora hydrostatica

Physophora hydrostatica

The siphonophores are free-swimming or floating colonies. Unlike species of the two other major orders of Hydrozoans, the medusae are never released from the stem. The colony is often held together by a long thread where different kinds of specialized animals are attached. Some digest food, while others use stinging tentacles to catch their prey. They hand the food over to the "stomachs" that swallow and digest the food, and thus provide nutrition for the entire colony. Some even emit light.

The siphonophores are free-swimming or floating colonies. Unlike species of the two other major orders of Hydrozoans, the medusae are never released from the stem. The colony is often held together by a long thread where different kinds of specialized animals are attached. Some digest food, while others use stinging tentacles to catch their prey. They hand the food over to the "stomachs" that swallow and digest the food, and thus provide nutrition for the entire colony. Some even emit light.

Giant Siphonophore front

Giant Siphonophore

Giant Siphonophore front

Jellyyyyyyyyyy!!

Jellyyyyyyyyyy!!

Siphonophores (colonial jellyfish) - YouTube

Siphonophores (colonial jellyfish) - YouTube

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