sea spider

US /ˈsiː ˌspaɪ.dər/
UK /ˈsiː ˌspaɪ.dər/
"sea spider" picture
1.

araña de mar

a marine arthropod of the class Pycnogonida, having a small body and eight long, slender legs, resembling a spider.

:
The diver spotted a delicate sea spider clinging to the coral.
El buzo avistó una delicada araña de mar aferrada al coral.
Despite their name, sea spiders are not true spiders.
A pesar de su nombre, las arañas de mar no son arañas verdaderas.