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Callyspongia (Cladochalina) aculeata, commonly known as the branching vase sponge is a species of sea sponge in the family Callyspongiidae. [1] Poriferans are typically characterized by ostia, pores that filter out plankton, with an osculum as the opening which water leaves through, and choanocytes trap food particles.
This sponge was found to have a high density of collagen fibrills, which is considered a synapomorphy for the genus Pseudoceratina, but lacks the typical skeletal framework observed in other species of this genus. Instead, this species was found within the structure of a coral.
The orange pipe sponge, sometimes referred to as the orange pipe calcerous sponge or Leucosolenia botryoides, is a soft, white sponge with a tubular branching structure. The name is derived from the Greek word, "botrys", [ 1 ] which means "cluster of grapes", relating to the branched structure of the sponge.
This sponge exhibits a branching morphology, meaning that it develops long, skinny branches rather than thick tubes with osculum. The length of the branches typically ranges from 20 to 60 cm (7.9 to 23.6 in), and they are between 0.5 and 3 cm (0.20 and 1.18 in) wide.
The sponge has wide oscula and thin walls with ridged surfaces. [3] Each tube is rarely over 30 centimetres (12 in) in clear water but can reach 50 centimetres (20 in) in turbid-zone reefs. Unlike the related species Aplysina insularis , A. fistularis does not develop rope-like projections around its tubes, although it may show some branching ...
Aplysina insularis is a large sponge and consists of one or more cylindrical tubes united at the base. Each one narrows at the apex into a large osculum and this may be surrounded by small, finger-like projections. Slender tendrils and larger rope-like projections may also occur, and in areas with high levels of sedimentation, these may exceed ...
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Callyspongia siphonella, commonly known as colonial tube-sponge, is a species of sea sponge endemic to the Red Sea.Clusters of its pale lavender to pink long tubes reach up to 60 centimetres (24 in) in size.