Scientific Name
                        Hippocampus hendriki
                        
                        
                        Common Name
                        Eastern spiny seahorse
                        
                        
                        Biology
                        Dorsal 
spines
(total): 0; 
Dorsal 
soft rays
(total): 17-18. Trunk rings 11; tail rings 34; subdorsal spines 3/0,1,0; nose spine of moderate length, angular in shape; spine above eye long, but shorter than eye diameter; spine behind eye of moderate size, followed by longer lateral head spine; coronet moderately high, sloping back in line with head profile; superior trunk ridge spines reduced to tubercles before dorsal fin in males, or entire ridge having irregular rugose parts with small spines on and in between junctions with rings (Ref. 42735).