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A CPIE Notebook Project – Keys to Aquatic Biota of Hawai‘i Page V6


Key to Family Mugilidae


[MULLETS]
[NOTE THREE CHOICES HERE]

40a (34 or 72) Eyes with transparent, adipose lids over front and back edges. Silvery-colored fish with moderately forked tail, usually edged in black. { `Ama`ama or grey mullet [Ind]
Mugil cephalus L. 1758
40b

Eyes with rudimentary adipose lid not covering eye. Silvery-grey fish with dark pectoral fins (particularly in juveniles); fins generally yellowish, edged in black. Caudal fin truncate, yellowish to tan in color. { Squaretail or yellowtail mullet

Eliochelon vaigiensis (Quoy & Gaimard, 1825)
40c

Eyes not covered by adipose lids. Caudal fin truncate in juveniles, moderately forked in adults { Found in estuaries. Accidently introduced to O‘ahu in 1955 but now found on all islands. Australian mullet, kanda mullet

Valamugil engeli (Bleeker, 1858-59)



Key to Family Loricariidae


[ARMORED CATFISHES]
41a (40)

Snout margin smooth, fleshy with snout tentacles, best developed in adult males. { Largest individuals around 15 cm (6 in) long. Common in riffle habitat of most perennial streams on O‘ahu. Bristle-nosed catfish, plecostomus

Ancistris cf. temminckii
41b

Snout margin with rough bony plates. { Largest individuals nearly 30 cm (12 in) long

[42]

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

42a (41) HypostomusDorsal fin rays 7 or 8. Coloration light and dark brown background with dark, circular spots, these smallest on the head, increasing in size posteriorly. Very abundant in pools and riffles of perennial streams on O‘ahu and perhaps Maui

Hypostomus sp. watwata group
42b

Dorsal fin rays 9 to 14 { Plecostomus, sailfin catfish

Pterygoplichthys multiradiatus (Hancock, 1828)


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Mullets and Armored Catfishes
Page V6

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