Ophiactoidea Ljungman 1867

Description: Dense aggregation of Ophiothrix fragilis on seafloor Item Type: Image Title: Ophiothrix fragilis Species: Ophiothrix fragilis Behaviour: Dense aggregation with the arms of some individual brittle stars projected into the water column. Site: Atlantic -- North Sea -- West of Shetland -- LagganNorth Sea -- West of Shetland -- Laggan Site Description: Seafloor Depth (m): 86 Latitude: 60 deg 32' 48" N Longitude: 1 deg 13' 44" E Countries: UK -- West of Shetland Habitat: Benthic Rig: Fugro Mercator Project Partners: Total ROV: Seaeye Tiger Deposited By: Miss Moira MacLean Deposited On: 19 October 2010

Coral Sea, Duration 17 seconds, Shot includes Xestospongia testudinaria (Barrel sponge)

Fiskeri- og Søfartsmuseet, Esbjerg

Ophiothrix angulata.

Ophiopholis aculeata, aboral view (24-26); Ophiopholis aculeata, oral view (27); Ophiura brevispina, aboral view (28,29); Ophiura brevispina view, shows regenerating arms (30).

Figure 2.Species of the families Ophiomyxidae (A–E) and Ophiotrichidae (F–J). Ophiomyxa flaccida. A dorsal view, in detail the marginal interradius with a row of large scales B ventral view C jaw D dorsal view of the arm E ventral view of the arm. Ophiothrix (Ophiothrix) angulata F dorsal view, in detail the radial shields G ventral view H jaw I dorsal view of the arms J ventral view of the arms. Scale bar = 1 mm.

Figure 2.Ophiothrix (Ophiothrix) rudis. A dorsal view. Scale bar = 5 mm B dorsal view of the arm C ventral view of the arm D dorsal view of the disk E ventral view of the disk F jaw. Scale bar = 1 mm. Ophiothrix (Ophiothrix) spiculata G dorsal view. Scale bar = 5 mm H dorsal view of the arm I ventral view of the arm J dorsal view of the disk K ventral view of the disk L jaw. Scale bar = 1 mm.

Description: Dense aggregation of brittle stars Ophiothrix fragilis Item Type: Image Title: Ophiothrix fragilis Species: Ophiothrix fragilis Behaviour: Dense aggregation Site: Atlantic -- North Sea -- West of Shetland -- LagganNorth Sea -- West of Shetland -- Laggan Site Description: Seafloor Depth (m): 46 Latitude: 60 deg 32' 01" N Longitude: 1 deg 13' 55" E Countries: UK -- West of Shetland Habitat: Benthic Rig: Fugro Mercator Project Partners: Total ROV: Seaeye Tiger Deposited By: Miss Moira MacLean Deposited On: 19 October 2010

Fiskeri- og Søfartsmuseet, Esbjerg

Ophiopholis aculeata.

Figure 14.Some ophiurans in their natural habitat. A Ophiomyxa flaccida B Ophiolepis impressa C Ophiothrix angulata D Ophiocoma echinata E Ophioderma cinerea F Ophioderma appressa. Photos by Thelma L. P. Dias.

Figure 2.Ophiothrix (Ophiothrix) rudis. A dorsal view. Scale bar = 5 mm B dorsal view of the arm C ventral view of the arm D dorsal view of the disk E ventral view of the disk F jaw. Scale bar = 1 mm. Ophiothrix (Ophiothrix) spiculata G dorsal view. Scale bar = 5 mm H dorsal view of the arm I ventral view of the arm J dorsal view of the disk K ventral view of the disk L jaw. Scale bar = 1 mm.

Description: Brittle star Ophiothrix fragilis aqggregation Item Type: Image Title: Ophiothrix fragilis Species: Ophiothrix fragilis Site: Atlantic -- North Sea -- West of Shetland -- LagganNorth Sea -- West of Shetland -- Laggan Site Description: Seafloor Depth (m): 46 Latitude: 60 deg 32' 01" N Longitude: 1 deg 13' 55" E Countries: UK -- West of Shetland Habitat: Benthic Rig: Fugro Mercator Project Partners: Total ROV: Seaeye Tiger Deposited By: Miss Moira MacLean Deposited On: 20 October 2010

Fiskeri- og Søfartsmuseet, Esbjerg

Figure 8.Species of the family Ophiactidae. Ophiactis quinqueradia A dorsal view B ventral view C jaw D dorsal view of the arms E ventral view of the arms F detail of the radial shields. Ophiactis savignyi G dorsal view, detail of the radial shields H ventral view I jaw J dorsal view of the arms L ventral view of the arms. Scale bar = 1 mm.

Figure 3.Ophiothela mirabilis. A dorsal view. Scale bar = 5 mm B dorsal view of the arm C ventral view of the arm D dorsal view of the disk E ventral view of the disk F jaw. Scale bar = 1 mm. Ophiactis savignyi G dorsal view. Scale bar = 5 mm H dorsal view of the arm I ventral view of the arm J dorsal view of the disk K ventral view of the disk L jaw. Scale bar = 1 mm.

Description: Large Aggregation of brittle stars Ophiothrix fragilis Item Type: Image Title: Ophiothrix fragilis Species: Ophiothrix fragilis Behaviour: Large aggregation on rocks Site: Atlantic -- North Sea -- West of Shetland -- LagganNorth Sea -- West of Shetland -- Laggan Site Description: Seafloor Depth (m): 45 Latitude: 60 deg 34' 04" N Longitude: 1 deg 15' 05" E Countries: UK -- West of Shetland Habitat: Benthic Rig: Fugro Mercator Project Partners: Total ROV: Seaeye Tiger Deposited By: Miss Moira MacLean Deposited On: 20 October 2010

Fiskeri- og Søfartsmuseet Esbjerg

Figure 8.Species of the family Ophiactidae. Ophiactis quinqueradia A dorsal view B ventral view C jaw D dorsal view of the arms E ventral view of the arms F detail of the radial shields. Ophiactis savignyi G dorsal view, detail of the radial shields H ventral view I jaw J dorsal view of the arms L ventral view of the arms. Scale bar = 1 mm.

Figure 3.Ophiothela mirabilis. A dorsal view. Scale bar = 5 mm B dorsal view of the arm C ventral view of the arm D dorsal view of the disk E ventral view of the disk F jaw. Scale bar = 1 mm. Ophiactis savignyi G dorsal view. Scale bar = 5 mm H dorsal view of the arm I ventral view of the arm J dorsal view of the disk K ventral view of the disk L jaw. Scale bar = 1 mm.

Description: Aggregation of brittle stars Ophiothrix fragilis Item Type: Image Title: Ophiothrix fragilis Species: Ophiothrix fragilis Site: Atlantic -- North Sea -- West of Shetland -- LagganNorth Sea -- West of Shetland -- Laggan Site Description: Seafloor Depth (m): 45 Latitude: 60 deg 34' 04" N Longitude: 1 deg 15' 05" E Countries: UK -- West of Shetland Habitat: Benthic Rig: Fugro Mercator Project Partners: Total ROV: Seaeye Tiger Deposited By: Miss Moira MacLean Deposited On: 20 October 2010

Fiskeri- og Søfartsmuseet, Esbjerg

Figure 4.Ophiactis simplex. A dorsal view. Scale bar = 5 mm B dorsal view of the arm. C ventral view of the arm D dorsal view of the disk E ventral view of the disk F jaw. Scale bar = 1 mm. Ophionereis annulata G dorsal view. Scale bar = 5 mm H dorsal view of the arm (adp = accessory dorsal arm plates) I ventral view of the arm J dorsal view of the disk K ventral view of the disk L jaw. Scale bar = 1 mm.

Description: Desne patches of brittle stars Ophiothrix fragilis Item Type: Image Title: Ophiothrix fragilis Species: Ophiothrix fragilis Site: Atlantic -- North Sea -- West of Shetland -- LagganNorth Sea -- West of Shetland -- Laggan Site Description: Seafloor Depth (m): 65 Latitude: 60 deg 28' 15" N Longitude: 1 deg 01' 47" E Countries: UK -- West of Shetland Habitat: Benthic Rig: Fugro Mercator Project Partners: Total ROV: Seaeye Tiger Deposited By: Miss Moira MacLean Deposited On: 22 October 2010