黄金蜘蛛

黄金 (kogane, “golden”) +‎ 蜘蛛 (kumo, “spider”). The kumo changes to gumo as an instance of rendaku (連濁).

• (Tokyo) こがねぐも [kògánégúꜜmò] (Nakadaka – [4])
• IPA^(key): [ko̞ɡa̠ne̞ɡɯ̟mo̞]

黄(こ)金(がね)蜘蛛(ぐも) or 黄金蜘蛛(コガネグモ) • (koganegumo) 

1. golden spider (Argiope amoena)

As with many terms that name organisms, this term is often spelled in katakana, especially in biological contexts (where katakana is customary).