Hydrozoanthus sp. 2

Reimer, James D., Poliseno, Angelo & Hoeksema, Bert W., 2014, Shallow-water zoantharians (Cnidaria, Hexacorallia) from the Central Indo-Pacific, ZooKeys 444, pp. 1-57 : 14-15

Taxon classification Animalia Zoantharia Hydrozoanthidae

15. Hydrozoanthus sp. 2 Figures 12D, 13

Specimens examined.

NA.

Photographic records

(n=1). East Kalimantan Program station BER.20, Tanjung Pandan shoal, southwest of Pulau Panjang, East Kalimantan, Berau Islands (02°19'15"N, 118°06'33"E), October 22, 2003.

Description.

Similar to Hydrozoanthus gracilis and Hydrozoanthus sp. 1 above, this azooxanthellate, colonial species is found as an epibiont on Plumularia habereri . Similar to Hydrozoanthus sp. 1, this completely white species has much smaller polyps than Hydrozoanthus gracilis , forming colonies only on the main branch(es) of Plumularia habereri colonies (Figure 12D). Polyps are much less incrusted than Hydrozoanthus gracilis .

Regions recorded in this study

(Figure 13). Berau Islands (19).

Previous records. NA.

Remarks.

This undescribed species may be a different colored morphotype of Hydrozoanthus sp. 1 (above) informally described by Di Camillo et al. (2010) as " Parazoanthus sp.". Specimens and DNA sequences are needed to properly describe this species.