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Acropora digitifera

(Dana, 1846)

Colonies are upright or prostrate tangles of branches up to one metre across. Branches are thin and delicate. Axial corallites are long and tubular. Radial corallites are mostly small and tubular to pocket-shaped with sharp edges.

Colour: Reddish-brown, with blue or white axial corallites.

Habitat: Shallow reef environments protected from strong wave action.

Abundance: Uncommon except on some sheltered reef slopes.

Similar species: Acropora filiformis

Taxonomic note: Source reference: Veron (2000). Taxonomic reference: Veron and Wallace (1984), Wallace (1999). Additional identification guides: Veron (1986), Nishihira and Veron (1995).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Acropora digitifera.  Coral Sea.  Exposed at low tide.  Charlie Veron.

Acropora digitifera. Coral Sea. Exposed at low tide. Charlie Veron.

Acropora digitifera.  Middleton Reef, south-eastern Australia.  Typical uniform branches.  Charlie Veron.

Acropora digitifera. Middleton Reef, south-eastern Australia. Typical uniform branches. Charlie Veron.

Acropora digitifera.  Tanzania.  Typical uniform branches.  Charlie Veron.

Acropora digitifera. Tanzania. Typical uniform branches. Charlie Veron.

Acropora digitifera.  Ryukyu Islands, Japan.  Variation in corallite structure and colour.  Charlie Veron.

Acropora digitifera. Ryukyu Islands, Japan. Variation in corallite structure and colour. Charlie Veron.

Acropora digitifera.  Great Barrier Reef, Australia.  Variation in corallite structure and colour (A. digitifera is being overgrown by A. verrucosa).  Valerie Taylor.

Acropora digitifera. Great Barrier Reef, Australia. Variation in corallite structure and colour (A. digitifera is being overgrown by A. verrucosa). Valerie Taylor.

Acropora digitifera.  Great Barrier Reef, Australia.  Variation in corallite structure and colour.  Neville Coleman.

Acropora digitifera. Great Barrier Reef, Australia. Variation in corallite structure and colour. Neville Coleman.

Acropora digitifera.  Indonesia.  Variation in corallite structure and colour.  Valerie Taylor.

Acropora digitifera. Indonesia. Variation in corallite structure and colour. Valerie Taylor.

Acropora digitifera.  Great Barrier Reef, Australia.  Showing branch tip.

Acropora digitifera. Great Barrier Reef, Australia. Showing branch tip.

Acropora digitifera.  Coral Sea.  Showing plate formation.

Acropora digitifera. Coral Sea. Showing plate formation.

Acropora digitifera.  Great Barrier Reef, Australia.  Showing skeletal detail.

Acropora digitifera. Great Barrier Reef, Australia. Showing skeletal detail.

Acropora digitifera.  Coral Sea.  Showing branch tip.

Acropora digitifera. Coral Sea. Showing branch tip.

Acropora digitifera.  Great Barrier Reef, Australia.  Showing branching pattern.

Acropora digitifera. Great Barrier Reef, Australia. Showing branching pattern.

Acropora digitifera.  Great Barrier Reef, Australia.  Showing radial corallites.

Acropora digitifera. Great Barrier Reef, Australia. Showing radial corallites.