Suberites hwasunensis, Kim & Sim, 2021

Kim, Young A & Sim, Chung Ja, 2021, Ten new species of families Suberitidae and Polymastiidae (Demospongia: Heteroscleromorpha) from Korea, Journal of Species Research 10 (2), pp. 168-183 : 171-172

4. Suberites hwasunensis n. sp. ( Fig. 5 )

ṜżīfiƎḁḍ(ṳḋ)

Type specimen. Holotype (NIBRIV0000881726), Korea: Hwasun Harbor, Andunk-myeon, Seogwipo-si , Jeju-do, 23 April 2005, by SCUBA , depth 45 m, deposited in NIBR .

Description. Thickly ramose or irregularly flabellate sponge, size up to 10 × 4 cm. Thick branches, 1.5 cm in diameter. Surface smooth and velvety with numerous thin and short spicules. Oscules not distinct. Color in life orange red, yellowish beige in spirit. Texture firm but are easily cut off.

A B

Skeleton: Ectosomal, brush like skeletal structure ( Fig. 5C, D ). Large tylostyles, 800-1000 × 20-30 μm and small tylostyles, 450 × 10 μm.

Etymology. The species name, hwasunensis, is named after type locality of Hwasun Harbor, Seogwipo-si, Jeju-do.

Remarks. This new species is similar to Suberites vergultosa in skeletal structure but differs in sponge shape and texture. This new species has no tylostrongyles or microscleres.

Figures

Fig. 5. Suberites hwasunensis n. sp. A, external morphology; B, spicules; C, D, brush-like surface spicules; E, F, bundle of spicules at choanosome; G, H, tylostyles. Scale bars:A=1 cm, B, C=100 μm, D, E=50μm, F-H =25 μm.