survey of the shallow-water sea cucumbers of the central philippines

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Black Forereef Sea Cucumber Holothuria aff. atra This species is usually identified as H. atra, a smaller species and one of the most common sea cucumbers throughout much of its range in the Indo-west Pacific. It grows to about 40 cm in length and is usually found exposed day and night on bare sediment of the forereef slope to at least 30 m. Unlike the shallow-water H atra, it is never covered by a thin, even layer of sand with patches of exposed dorsum. Instead it may be covered in a thin, possibly mucus sheath. It also does not release a wine-coloured exudate when rubbed. This may therefore be a different, possibly new species. 25
Impatient Sea Cucumber Holothuria impatiens This relatively common sea cucumber grows to about 30 cm in length. It is grayish yellow with dark purplish transverse stripes on its dorsum. It can usually be found during the day under coralline rubble on the reef flat and in crevices on the forereef slope. At night it extends its anterior end from its hole to feed on nearby sediment. The specimen pictured is the most common form seen in the central Philippines. Several other forms usually identified as H. impatiens were also seen and are shown on the following pages. These forms appear to be separate and distinct species. 26
Page 1 and 2: SURVEY OF THE SHALLOW-WATER SEA CUC
Page 3 and 4: Table of Contents Introduction 1 Me
Page 5 and 6: List of Figures 1.) Map of the Cent
Page 7 and 8: Many of these species were first de
Page 9 and 10: Alona Reef Gakang Island Balicasag
Page 11 and 12: Results and Discussion One of the m
Page 13 and 14: only able to locate two of his spec
Page 15 and 16: Appendix: The Sea Cucumbers of the
Page 17 and 18: Caroline’s Sea Cucumber Actinopyg
Page 19 and 20: White-bottomed Sea Cucumber Actinop
Page 21 and 22: Palauan Sea Cucumber Actinopyga pal
Page 23 and 24: Two-ribboned Sea Cucumber Bohadschi
Page 25 and 26: Mottled Sea Cucumber Bohadschia koe
Page 27 and 28: Marbled Sea Cucumber Bohadschia mar
Page 29: Black Sea Cucumber Holothuria atra
Page 33 and 34: White Teatfish Holothuria fuscogilv
Page 35 and 36: Stubborn Sea Cucumber Holothuria pe
Page 37 and 38: Warty Sea Cucumber Holothuria turri
Page 39 and 40: . Channelled Sea Cucumber Holothuri
Page 41 and 42: Kris’s Sea Cucumber Holothuria sp
Page 43 and 44: Rigid Sea Cucumber Holothuria rigid
Page 45 and 46: Brown Medusan Sea Cucumber Opheodes
Page 47 and 48: Grey Medusan Sea Cucumber Opheodeso
Page 49 and 50: Graeffe’s Sea Cucumber Pearsonoth
Page 51 and 52: Dark Night-wandering Sea Cucumber S
Page 53 and 54: Many-coloured Sea Cucumber Stichopu
Page 55 and 56: Chiefly Sea Cucumber Thelenota anax

survey of the shallow-water sea cucumbers of the central philippines

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