Golden-diamond Pineapplefish , Monocentris chrysadamas Su, Lin & Ho 2022


Summary:
A bright-yellowish pineapple fish, with black scale margins, a whitish oral cavity (including the underside of the tongue), peritoneum, and stomach, and a blackish vomer, palatine, outer margin of premaxilla, and dentary. 

Cite this page as:
Bray, D.J. 2022, Monocentris chrysadamas in Fishes of Australia, accessed 28 Apr 2024, https://fishesofaustralia.net.au/Home/species/5691

Golden-diamond Pineapplefish , Monocentris chrysadamas Su, Lin & Ho 2022

More Info


Distribution

W of Broome, Western Australia, and ESE of Innisfail to E of Rockingham Bay, Queensland. Elsewhere the species occurs in the Solomon Islands, Vanuatu and Taiwan.
Inhabits deep reefs on the outer Continental Shelf and Upper Slope.

Features

Dorsal fin V-VII, i-ii+8-10=10-12; Anal fin i+9-10=10-11; Caudal fin (principal rays) 9-10 + 9=18-19, uppermost and lowermost rays unbranched; Procurrent caudal-fin rays 4-5; Pectoral fin ii+10-12 + 0–i=13-15; Pelvic fin I, 3; Gill rakers (developed rakers) 5-7 + 1 + 10-12=16-20; Lateral line scales 12-15; Scales in third row below lateral line 6-7.

; LLB1 10–11; LLB3 6–7; scales between LLB4 and AS small, its posterior tip not reaching second postpelvic scute; vomer without teeth; and mouth large, reaching a vertical through posterior margin of eye.

Similar Species

Differs from the similar Japanese Pineapplefish, Monocentris japonica, in having only 6-7 scales on the third scale row below the lateral line (vs 8 in M. japonica), a consistently greater head depth, body depth, postorbital length, dorsal-fin–pelvic-fin length, and dorsal-fin–pectoral-fin length in proportion to standard length, and a differently shaped otolith.

Etymology

The specific name chrysadamas is from the Greek chrys (= golden) and adamas (= diamond), in reference to the yellowish body color in life and diamond-shaped scales of this species.

Species Citation

Monocentris chrysadamas Su, Lin & Ho 2022, Zootaxa 5189(1): 190, Figs 2, 5B, 7-9, 12B. Type locality (neotype): 4 miles off rocket Center, Kimotsuki, Kimotsukigun, Kagoshima, Japan, 31°12'35.4"N, 131°09'03.6"E, 95 m.

Author

Bray, D.J. 2022

Golden-diamond Pineapplefish , Monocentris chrysadamas Su, Lin & Ho 2022

References


Su, Y., Lin, H.-C. & Ho, H.C. 2022. A new cryptic species of the pineapple fish genus Monocentris (Family Monocentridae) from the western Pacific Ocean, with redescription of M. japonica (Houttuyn, 1782). Zootaxa 5189(1): 180-203 https://doi.org/10.11646/zootaxa.5189.1.18

Quick Facts


Depth:150-341 m

Habitat:Reef associated

Max Size:13 cm SL

Species Maps

CAAB distribution map