1/10/2019

NATIVE STREAM FAUNA IN HAWAIʻI FISH, CRUSTACEANS, & MOLLUSCS

1

ʻOʻopu nopili · stimpsoni

road head • Body covered by scales • Blunt head • Small eyes • Color: dark olive-green • Faint black bands across back

Photo: Cory Yap

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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 ·

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 ·

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 ·

• 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

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