Description:-
Body with a mass of long slender cylindrical branches, varying from 1-4mm thickness; surface even, minutely hispid; vents small, distributed in an irregular linear series; colour in life olive green, in spirit light brown. Skeleton a fairly regular unispicular reticulation, with quadrangular or triangular mosh; spongin only at nodes of reticulation; no special multispicular fibres or special dermal skeleton; spicules oxea, smooth, slightly curved. The species is in external form not unlike Halichondria tenuiramosa, Dendy, but is readily distinguishable form that species by the size of its spicules and the structure of its skeleton.
References:-
Biju Kumar, A. 2012. ‘Kerala Theerathe Kadal Jeevikal’ (Marine Animals of Kerala coast- A Field Guide). Kerala State Biodiversity Board, Thiruvananthapuram, Kerala, 304 pp. (In Malayalam)
de Voogd, N.; van Soest, R. (2014). Haliclona tenuiramosa (Burton, 1930). In: Van Soest, R.W.M; Boury-Esnault, N.; Hooper, J.N.A.; Rützler, K.; de Voogd, N.J.; Alvarez de Glasby, B.; Hajdu, E.; Pisera, A.B.; Manconi, R.; Schoenberg, C.; Janussen, D.; Tabachnick, K.R., Klautau, M.; Picton, B.; Kelly, M.; Vacelet, J.; Dohrmann, M.; Díaz, M.-C.; Cárdenas, P. (2014) World Porifera database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=166484 on 2014-12-10
LXVIII. – Additions to the Sponge Fauna of the Gulf of Manaar. By MAURICE BURTON, M.Sc Assistant Keeper, Department of Zoology, British Museum.