Main Ref. | Tsang, L.M., Kei Kei, A. Ho and W.K. Chow, 2020 |
Appearance refers to |
specialized organs | |
different appearance | |
different colors | |
remarks |
Striking features | |
Body shape lateral | |
Cross section | |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Diagnosis | A large-sized starfish with seven to nine arms, eight being the most common. Aboral surface usually yellowish-brown, with four to six distinctive dark blotches on the arms. Central disc is very small, and long arms are tapered to a pointed end. Body surface is densely covered by abactinal paxillae, also having small sharp spines along the two sides of arms. Ambulacral groove is with two rows of tube feet that do not retract into the body. |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | |
Scale rows below lateral line | |
Scales around caudal peduncle | |
Barbels | |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total |
Attributes | |
Fins number | |
Finlets No. | Dorsal |
Ventral | |
Spines total | |
Soft-rays total | |
Adipose fin |
Attributes |
Fins number | |
Spines total | |
Soft-rays total |
Pectoral | Attributes |
spines | |
soft-rays | |
Pelvics | Attributes |
Position | |
spines | |
soft-rays |