Nomorhamphus rex

Kraemer, Janina, Thieme, Philipp, Hadiaty, Renny Kurnia & Herder, Fabian, 2019, Structure of the andropodium of the viviparous halfbeak genus Nomorhamphus (Atherinomorpha: Beloniformes: Zenarchopteridae), endemic to Sulawesi, Indonesia, Raffles Bulletin of Zoology 67, pp. 247-259 : 253

publication ID

https://doi.org/ 10.26107/RBZ-2019-0019

publication LSID

lsid:zoobank.org:pub:B6CB5368-DCBC-4AD5-956E-7425B9D46586

persistent identifier

https://treatment.plazi.org/id/038187E1-7E4E-827C-FB85-F93F9364FD88

treatment provided by

Diego

scientific name

Nomorhamphus rex
status

 

Nomorhamphus rex View in CoL

( Fig. 6A, C View Fig )

Pigmentation of anal fin. Distal tips of anal-fin rays greyish or black in most males; range and intensity of pigmentation varies between individuals; cryptoplica and fin rays slightly pigmented, small melanophores.

Andropodium. 1 st anal pterygiophore thickened, not angled anteriorly. 2 nd fin ray with 3–4 segments proximal to spinae; segment 3 or 4 greatly elongate, approximately half the length of the entire ray, with an irregular dorsal and ventral row of small sub-segments (squares and rectangles) of different sizes, each sub-segment approximately 1/3 the height of segment 3 or 4, number of sub-segments variable; spiculus sickle-shaped, clearly segmented, short, upright position and curved (degree of curvature varies between specimens), its proximal and middle segments in contact with the distal tip of the third anal-fin ray. 3 rd fin ray with segment 3 greatly elongate, approximately half the length of the entire ray, constricted longitudinally, composed of three longitudinal rows, each row approximately 1/3 the height of the respective segment; segments 4 to tip short, tip nearly straight. 4 th fin ray with segment 4 composed of three longitudinal rows, greatly elongate; following segments short. 5 th fin ray thickened in larger males.

Darwin Core Archive (for parent article) View in SIBiLS Plain XML RDF