Maximum length: 3, 3 cm

Maximum depth: No depth information found: This one was at 14 meters

It is white with a yellow mantle edge and it has delicate white spots on the body.

Gills are pale white with yellow tips.

Photo 1 Johnny: Bangka island North Sulawesi

 Maximum length: 60 mm

The body is white with a yellow to reddish-brown colour,

consisting of tiny speckles that are so dense that they appear to be evenly coloured.

Only the edge of the mantle remains white, but has a yellow to orange border.

Photos 1 - 2 Johnny: Lembeh Strait North - Sulawesi

Maximum length: 0.7 - 1 cm

Maximum depth: 5 - 22 m

This magnificent star snail has a white body with a bordered orange band.

Some specimens have a reddish-brown, sometimes orange-yellow band.

It has very large rhinophores, which are translucent white and have lamellae.

Photos 1 - 2 Johnny: Bangka island North Sulawesi

 Maximum length: 100 mm

This species is sometimes found crawling around together in small groups.

It owes its name to its two purple rings.

Feeds on crustose sponges.

Photo 1 Astrid: Hurghada Egypt

Photos 2 - 4 Johnny: Hurghada Egypt

 Maximum length: 50 mm

White to cream-coloured body with small yellow dots.

There are blue-edged black dots along the edge of the mantle.

The gills and rhinophores are pink to violet in colour.

Photo 1 Johnny: Bangka Island North Sulawesi

Photo 2 Astrid: Lembeh Strait North - Sulawesi

 Maximum length: 50 mm

Yellowish orange, surrounded by white and black wavy lines running around the whole body.

Mantle margin purple, followed by a white and a broader ochre-yellow band.

Photos 1 - 2 Johnny: Moalboal Philippines

Photo 3 Astrid: Moalboal Philippines

Maximum length: 8 - 11 cm

Maximum depth: 24 m

This star snail is one of the larger species.

The edge of the foot is white to blue, the body is covered with many small white dots.

Whitish to pinkish gills, brownish rhinophores.

Diet: Sponges

Photos 1 - 2 Astrid: Bangka island North Sulawesi

 Maximum length: 30 mm

The body and underside are white, rarely yellowish.

An orange to red wavy band adorns the mantle.

Patterning varies.

The gills and rhinophores are grey to almost black.

They are widespread but rarely seen.

Photos 1 - 2 Johnny: Bangka Island North - Sulawesi

Photo 3 Johnny: Lembeh Strait North - Sulawesi

 Maximum length: 50 mm

Yellow to brownish mantle, with many blue-edged black eyespots,

this area being surrounded by a distinctive yellow band.

The edge of the mantle is white with a dark to blue or purple border.

Their rhinophores are yellow to orange, the gills are white with dark ends at the branches.

They can be distinguished from similar species by the yellow

and dark band on the edge of the mantle.

Photos 1 - 3 Johnny: Hurghada Egypt

Maximum length: 35 mm

This species is often mistakenly confused with the Phyllidiella species ( warty snail ).

Light, greyish or yellowish with white warts on a black background.

The gills and rhinophores are yellow to greenish in colour.

Has a fine purple edge on the front of the mantle.

Photos 1 - 3 Johnny: Lembeh Strait North - Sulawesi

 Maximum length: 40 mm

Predominantly white with dark shadows around their light-coloured flat tubercles.

Some black-edged white eyespots are randomly placed between rhinophores and gills.

The mantle margin is black to purple with inwardly directed recesses at regular intervals.

The gills and rhinophores are light in colour.

Photo 1 Johnny: Lembeh Strait North - Sulawesi

Maximum length: 50 mm

Yellow to cream-coloured body and sides, with many blue-edged black eyespots,

the mantle edge is blue to purple with a thin, black inner edge,

the gills and rhinophores are light to dark.

Photo 1 Johnny: Lembeh Strait North - Sulawesi

Photo 2 Johnny: Bangka Island North Sulawesi

 Maximum length: 60 mm

White to brownish-yellow body with a mixture of black dots and black circles with a white sheen.

White mantle edge with a thin, black to dark blue border.

The gills and rhinophores are white to violet in colour.

Easily confused with Risbecia tryoni, which has dots and not circles

and the mantle of the Leoparda covers the entire foot.

Photo 1 Johnny: Lembeh Strait North - Sulawesi

 Maximum length: 80 mm

White, covered with a fine red net-like pattern,

with only the edge of the mantle remaining white.

Gills whitish to pink, the rhinophores are dark brownish.

Photo 1 Astrid: Lembeh Strait North - Sulawesi

Photos 2 - 3 Johnny: Lembeh Strait North - Sulawesi

Maximum length: 30 mm

It has a white, transparent mantle, often with small,

irregularly distributed red dots.

However, these dots can also be completely absent,

so that the mantle is uniformly white.

The edge of the mantle is surrounded by a two-coloured band,

red on the outside and yellow on the inside.

Gills and rhinophores are transparent red

Photo 1 Johnny: Lembeh Strait North - Sulawesi

Maximum length: Not known. This one was about 8 mm long

Maximum depth: Not known. This one was at a depth of 17 m

Unfortunately, this snail has not yet been described, so no data is available.

Photos 1 - 2 Johnny: Bangka island North Sulawesi

Maximum length: 2 cm

Maximum depth: No depth information found. This one was at 10 m

White body with a clearly visible orange margin.

Lamellar rhinophores.

Food: Coral polyps, various sponges and hydrozoan polyps.

Photos 1 2 Johnny: Bangka Island North Sulawesi

Maximum length: 1.5 - 5.5 cm

Maximum depth: 10 - 25 m

Very easy to recognize and identify snail.

Completely white body, orange rhinophores and a row of orange tubercles,

which are distributed over the body at irregular intervals.

Mainly feeds on nudibranchs of the family Chromodorididae.

Photos 1 - 2 Johnny: Bangka island North Sulawesi

Maximum length: No data found

Maximum depth: No data found

A species not yet described, therefore no information possible

Photo 1 Johnny: Bangka island North Sulawesi

Maximum length: No data found

Maximum depth: No data found

A species not yet described, therefore no information possible

Photos 1 - 2 Johnny: Bangka island North Sulawesi

Maximum length: No data found

Maximum depth: No data found

A species not yet described, therefore no information possible

Photos 1 - 2 Johnny: Bangka island North Sulawesi

Maximum length: No data found

Maximum depth: No data found

A species not yet described, therefore no information possible

Photos 1 - 2 Johnny: Bangka island North Sulawesi

 Maximum length: 65 mm

Almost identical to the Halgerda carlsoni,

but the body of batangas has orange to red lines and that of carlsoni has dots.

The Halgerda batangas is also slightly larger.

Photo 1 Johnny: Lembeh Strait North Sulawesi

 Maximum length: 50 mm

Almost identical to the Halgerda batangas,

but the body of batangas has orange to red lines and that of carlsoni has dots.

The carlsoni is also slightly smaller than the batangas.

There are rows of orange to red spots along the edge of the mantle.

The tubercles have orange to red tips with white edges.

The gills and rhinophores have small dark brown spots.

Photo 1 Johnny: Lembeh Strait North - Sulawesi

Maximum length: 1.5 cm

Maximum depth: 20 - 25 m

This species was only described in 2018.

Often misidentified as Halgerda tessellata in the Indian Ocean. ( see pictures below )

Photos 1 - 2 Johnny: Bangka island North Sulawesi

 Maximum length: 50 mm

This snail has variable body colours, which can be orange, yellow,

yellow-brownish, reddish or dark brown.

Its uniform, radial pattern always ends in a point.

These strongly pronounced tips distinguish them from other Halgerda species.

Photos 1 - 2 Johnny: Bangka Island North Sulawesi

 Maximum length: 15 mm

This snail has a reddish-brown, dark grey to sometimes,

almost completely black body colour with small white dots.

Its rhinophores are always the same colour as its body, except for the tips,

which are always white.

Although they are said to grow up to 15 mm in size,

almost all specimens found are smaller than 1 cm, even this one was smaller.

Photos 1 - 2 Johnny: Bangka Island North Sulawesi

Maximum length: 22 cm

Maximum depth: 20 m

These pictures show a young animal, fully grown it looks completely different,

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This species is often nocturnal.

Younger and medium-sized specimens are often found in tidal pools,

adult larger specimens mostly in about 5 m depth.

Photos 1 - 2 Johnny: Bangka island North Sulawesi

Maximum length: 600 mm

Many divers know this beauty.

Its ability to swim with graceful undulations of its mantle edge has earned it its name.

They are usually only seen at night,

but this year I was lucky enough to see one dancing near the surface during the day.

A picture you won't forget in a hurry.

Photos 1 - 2 show the clutch of the Spanish dancer.

Photos 1 - 2 Astrid: Hurghada Egypt

Photos 3 - 6 Johnny: Hurghada Egypt

Maximum length: 50 mm

Intense pink to blue body with a white margin along the mantle,

the margin and upper side of which has small spots (unlike the next species,

which has only a narrow margin).

Gills and rhinophores are yellow.

Photos 1 - 3 Johnny: Lembeh Strait North - Sulawesi

 Maximum length: 70 mm

Intense pink to cream colored, white body and a thin,

distinctive white margin on the mantle,

(the species above has a wider white margin with dots)

gills and rhinophores are orange to pale yellow.

Photos 1 - 3 Johnny: Lembeh Strait North - Sulawesi

 Maximum length: 45 mm

Cream to yellow body with three purple to dark red lines on the upper side, the outer lines connect the gills and rhinophores.

The gills and rhinophores are orange to red.

Photos 1 - 3 Johnny: Lembeh Strait North - Sulawesi

Maximum length: 30 mm

Violet-blue body with small, white-yellow and black spots.

There are large white spots along the edge of the mantle.

The gills and rhinophores are white with yellow to orange.

Photo 1 Johnny: Bangka Island North Sulawesi

Photos 2 - 3 Johnny: Lembeh Strait North - Sulawesi

 Maximum length: 40 mm

White body with brown, red or purple markings, with a series of white lines,

some of which may be interrupted.

White and purple spots all over the mantle.

The rinophores are white with red, brown or orange bands. 

Photos 1 - 3 Johnny: Banga Island North - Sulawesi

 Maximum length: 45 mm

Cream to yellow body with five dark, blue, purple or red longitudinal lines and equally colored edges from mantle to foot.

The gills are red, the rhinophores red with white tips.

Photo 1 Johnny: Lembeh Strait North - Sulawesi

Maximum length: 1 - 2 cm

Maximum depth: 20 m

This species was only described in 2018.

Translucent pink ground color, with a row of opaque white spots,

dashes and interrupted lines.

V-shaped reddish markings behind the rhinophores.

Black spots in linear rows.

Opaque white rhinophores - tips with three red-orange transverse bands.

Base of rhinophores translucent pink.

Photos 1 - 2 Johnny: Bangka island North Sulawesi

 Maximum length: 110 mm

Slender, white to purple body, with many small, orange dots on the upper side and on the foot.

The mantle has a thin, blue to violet edge.

Often head - to - tail crawling around, usually seen in pairs.

Photos 1 - 4 Johnny: Hurghada Egypt

Photo 5 Astrid: Hurghada Egypt