Maximum size: 100 cm

Maximum depth: 15 - 65 m

Thick, crusty and lobed growing sponge.

Appears orange when exposed to artificial light.

Very irregular shape.

Photo 1 Johnny: Bonaire Caribbean

 Size: 60 - 180 cm

Depth 10 - 40 m

Massive, orange, thick and leathery.

Grainy surface, also as large, flat mats that resemble large ears.

Photos 1 - 2 Johnny: Bonaire Caribbean

 Length 30 - 90 cm

Depth 10 - 40 m

Soft-walled tubes in medium, yellow, grey-brown and lighter inside.

The photo shows the octopus arm growth form.

Photo 1 Johnny: Bonaire Caribbean

Size: 15 - 45 cm

Depth 6 - 24 m

The group of tubes all originate from a common base.

Thanks to the numerous small bumps, they look dotted.

Colour variations: purple, yellow, orange, olive green.

Photo 1 Astrid: Bonaire Caribbean

Photos 2 - 3 Johnny: Bonaire Caribbean

 Size: 60 - 180 cm

Depth 15 - 30 m

Long, soft-walled, slender and thin tubes.

Lavender-coloured, grey to brown exterior.

Grows in groups and as a single specimen.

Photo 1 Johnny: Bonaire Caribbean

Size: 120 - 240 cm

Depth 12 - 40 m

The outflow openings form long rows and have protruding, thin, often lighter coloured edges.

They usually hang downwards, with the ends pointing upwards.

Variable colours, such as purple, red and lavender.

Photos 1 - 2 Johnny: Bonaire Caribbean

 Maximum size: 35 cm

Maximum depth: ?

This type of sponge is found in the Caribbean on sandy areas in reefs and lagoons.

Always covered with sediments and algae.

Photo 1 Johnny: Bonaire Caribbean

 Size: 15 - 90 cm

Depth 2 - 20 m

Stiff-walled, thin tubes, with many irregular, conical outgrowths.

Almost always in groups of 20 to 30 tubes.

In places with strong currents they form fans or vases.

Colour variations: brownish-grey, lavender, greenish-grey and occasionally light yellow-brown.

Photo 1 Johnny: Bonaire Caribbean

 Maximum size: 15 - 45 cm

Maximum depth: 6 - 23 m

Vase-shaped, pink to purple with light blue fluorescence. 

Strongly sculpted on the outside, with numerous twisted furrows and edges.

Photo 1 Astrid: Bonaire Caribbean

 Maximum height: 1 m

Purple-coloured tubes that are sometimes branched. 

Lives on hard substrate and is a host for shrimps and worms.

Photo 1 Johnny: Hurghada Egypt

Photo 2 Astrid: Hurghada Egypt

 Maximum size: 10 - 30 cm

Maximum depth: 1 - 30 m

Very variable colours: orange-yellow, orange, cream, yellow, white, red, brown, cinnamon brown.

Soft consistency, slightly slimy and somewhat elastic.

Its surface is smooth, shiny with a striking vein pattern of the canal system.

Photo 1 Johnny: Bonaire Caribbean

 Size: depending on spread

The individual tubes can reach a diameter of 3 mm and form a dense lattice.

Photo 1 Johnny: Bangka Island North Sulawesi

Size: 10 - 25 cm

Depth 7 - 23 m

Often covers the underside of overhangs, holes and caves.

Photo 1 Johnny: Bonaire Caribbean

 Size: 30 - 90 cm

Depth 4 - 18 m

Numerous greenish, finger-like branches.

Can grow hanging down in structures, in tangled clumps, but also upright.

Photos 1 - 2 Johnny: Bonaire Caribbean

 Maximum size: 80 cm

Maximum depth: 2 - 58 m

A beautifully patterned sponge that grows in the reef

in areas with a strong plankton supply.

Colour: red to orange.

Photo 1 Astrid: Bonaire Caribbean

Maximum size: 10 - 50 cm

Maximum depth: 6 - 30 m

Gradually covers other creatures such as corals

and other sponges with a layer approx. 4 mm thick

Colour: Yellow, yellow-green, white and up to transparent.

Photo 1 Astrid: Bonaire Caribbean

Maximum size: 70 cm

Its branches are about 3 cm in diameter and are often branched.

This sponge lives in shallow lagoons and on sheltered reef slopes and in weak currents.

Extremely poisonous.

Favourite food of certain nudibranchs (see photo above)

Photos 1 - 2 Johnny: Hurghada Egypt

 Size: 30 - 120 cm

Depth 3 - 40 m

Solid, dark brown, felt-like and lumpy surface.

Grows in many different forms.

Photo 1 Johnny: Bonaire Caribbean

 Maximum size: 1.80 m

Light pink to purple ropes with a porous, rough, textured surface.

Sparsely branched, tiny, eccentric openings

Photo 1 Johnny: Bonaire Caribbean

 Size: 10 - 30 cm

Depth 4 - 23 m

Rough, orange surface, otherwise soft.

The outflow openings blend into the surface pattern.

Photo 1 Johnny: Bonaire Caribbean

 Maximum height: 150 cm

Their overall shape is variable, often vase- or barrel-shaped.

The inner diameter can be up to 50 cm.

Various crustaceans are often found in the sponge.

Photos 1 - 2 Johnny: Bali Indonesia

Photo 3 Johnny: Moalboal Philippines