To begin with the most obvious, ocean starts with O.
The octopus lives in oceans.
Some species of otters also live within oceans.
Orcas, which are commonly incorrectly referred to as "killer whales", are large dolphins which live in oceans.
Oysters are found in oceans as well.
There is also a predatory snail in the oceans called the oyster borer, which preys on, you guessed it, oysters.
Ostracod are small marine crustaceans, which are sometimes also called seed shrimp.
List of common Fish starting with O:
* Oarfish * Ocean Perch * Ocean Sunfish * Oceanic Flyingfish * Oceanic Whitetip Shark * Oilfish * Oldwife * Old World Rivuline * Olive Flounder * Opaleye * Orange Roughy * Orangespine Unicorn Fish * Orangestriped Triggerfish * Orbicular Batfish * Orbicular Velvetfish * Oregon Chub * Oriental Loach * Owens Pupfish (end of answer)
otter. octopus
otter. octopusoll
sperm
Ocean perch, orange roughy and Oregon chub are fish species. They begin with the letter O.
Oscar.
very pretty Amazonian species.
An Octipus
opah
Ocean Perch and Oregon Chub are fish. They begin with the letter O.
Ide and Icefish are fish. They start with the letter i.
· Orange Roughy
Some words that start with the letter O are:oceanOddOdeofoffOfficeogreoldOliveOnoneOpalOppositeorOrangeorboreganoorganismorgasmorigamiotherotteroughtOxymoronoval
An eel is a fish.
Uaru fish and unicorn fish are fish species. They begin with the letter u.
A fish that starts with the letter C is a carp, cod, or cat fish.
Yes, owl and octopus both start with the letter O.
· Elephant Fish
Uaru is a fish found in the Amazon. It begins with the letter U.
OctopusOyster
Fish species that start with the letter t:tarpontiger sharktrouttuna