1/10/2019 NATIVE STREAM FAUNA IN HAWAIʻI FISH, CRUSTACEANS, & MOLLUSCS 1 ʻOʻopu nopili · Sicyopterus stimpsoni road head • Body covered by scales • Blunt head • Small eyes • Color: dark olive-green • Faint black bands across back Photo: Cory Yap 2 1 1/10/2019 3 ʻOʻopu nopili · Sicyopterus stimpsoni • Type: endemic (restricted to a particular place) • Distribution: middle reaches of stream • Sensitive species – highly sensitive to habitat disturbance 4 2 1/10/2019 ʻOʻopu alamoʻo · Lentipes concolor female • Body has little to no scales • Color: purplish-brown • male The posterior half of breeding males are bright red Photos: Cory Yap 5 ʻOʻopu nākea · Awaous stamineus road head • Large mouth pointing somewhat downward • Broad head • Color: dark olive-brown • white underside • Fins marked with dark stripes Photos: Kelly Lariosa 6 3 1/10/2019 ʻOʻopu alamoʻo · Lentipes concolor • Type: endemic (restricted to a particular place) • Distribution: upper reaches of stream • Sensitive species – highly sensitive to habitat disturbance 7 ʻOʻopu nākea · Awaous stamineus • Type: endemic (restricted to a particular place) • Distribution: middle reaches of stream 8 4 1/10/2019 ʻOʻopu akupa · Eleotris sandwicensis road head • Pelvic fins are not fused together • Broad, depressed head • Thick lips • Projecting lower jaw • Color: brownish • Dorsal fins well separated Photo: Cory Yap 9 ʻOʻopu naniha · Stenogobius hawaiiensis • Black blotch below eye and extending on cheek. • Very long anal and soft dorsal fins Photos: Cory Yap 10 5 1/10/2019 ʻOʻopu akupa · Eleotris sandwicensis • Type: endemic (restricted to a particular place) • Distribution: lower reaches of stream 11 ʻOʻopu naniha · Stenogobius hawaiiensis • Type: endemic (restricted to a particular place) • Distribution: lower reaches of stream 12 6 1/10/2019 ʻŌʻpae kalaʻole · Atyoida bisulcata road head • Grows up to 2 inches • Color: Golden-brown, dark green to black Photos: Cory Yap 13 ʻŌʻpae ʻoehaʻa · Macrobrachium grandimanus road head • One pincer is larger than the other • Striped pincers • Color: Light to dark brown Photos: Cory Yap 14 7 1/10/2019 ʻŌʻpae kalaʻole · Atyoida bisulcata • Type: endemic (restricted to a particular place) • Distribution: upper reaches of stream • Sensitive species – highly sensitive to habitat disturbance 15 ʻŌʻpae ʻoehaʻa · Macrobrachium grandimanus • Type: endemic (restricted to a particular place) • Distribution: lower reaches of stream 16 8 1/10/2019 Hīhīwai · Neritina granosa road head • Shell diameter up to 2 inches • Bumps on shell surface • Shell color: black • Bottom of shell is orange Photos: Cory Yap 17 Hapawai · Neritina vespertina road head • Smooth except for fine growth lines • Shell has a thin wall • Shell diameter up to 1 inch • Shell color: gray, light purple, or olive-brown • Has wing-like projections Photo: Cory Yap 18 9 1/10/2019 Hīhīwai · Neritina granosa • Type: endemic (restricted to a particular place) • Distribution: middle reaches of stream 19 Hapawai · Neritina vespertina • Type: endemic (restricted to a particular place) • Distribution: lower reaches of stream 20 10.