Acanthochiasma fusiforme   Haeckel,  1861 ()
Organism information awaits expert curation
Class: Acantharia

Spicules spindle-shaped with tapering ends, 0.3-0.6 mm long (almost 2.5 times shorter than in Acanthochiasma rubescens), stiff. Cell body bulky, with numerous sensitive axopodia radiating in all directions. Endoplasm consisting of central black-reddish sphere surrounded by clear vesicular sheet including most nuclei. Ectoplasm resembling transparent jelly striated by anastomosed cytoplasmic strands and axopodial axonemes. As in Acanthochiasma rubescens, periplasmic cortex more visible when cell is completely inflated after long period of calm. Gametogenesis occurs in oblong cyst limited by very thin birefringent plates. Remnants of spicules forming bundle in cyst center. Myonemes extremely thin, appearing in EM as narrow flat bands.

Synonym (s)

Common Name (s)
Economic Importance and Threats



• Tamil Nadu, Arockiapuram Coast INDIA
• Bay of Bengal INDIA

Literature Source(s)
  • (2002) Uttar Pradesh biodiversity strategy and action plan
  • Roslin, AS and Lazarus, S (1998) A preliminary study on the plankton of Arokiapuram coast Seaweed Research and Utilisation Seaweed Research and Utilisation Association, Tamil Nadu, India 20(1&2) 9-12 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Boltovskoy, D (Ed.) Zooplankton of the South Atlantic Ocean Marine Species Identification Portal Available at -
  • Lama Mark Webber Available at -
  • Jitlang, I; Pattarajinda, S; Mishra, R and Wongrat, L (2007) Composition, Abundance and Distribution of Zooplankton in the Bay of Bengal The Ecosystem-Based Fishery Management in the Bay of Bengal 65-92 Available at -

Page last updated on:2012-02-13

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