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In most cases, if these triggers were not present, male and female fish would not meet at the right stage and the number of offspring would be reduced. However, many fish do not respond to specific spawning triggers and will breed either constantly (e.g., guppies ); at specific times of the year (e.g., grunion ); or only at a certain point in ...
A fish's hypoxia tolerance can be represented in different ways. A commonly used representation is the critical O 2 tension (P crit), which is the lowest water O 2 tension (P O 2) at which a fish can maintain a stable O 2 consumption rate (M O 2). [2] A fish with a lower P crit is therefore thought to be more hypoxia-tolerant than a fish with a ...
Pond loaches are bottom-dwelling omnivores, feeding mainly on algae or scavenging organic materials, and may also eat on tubifex worms and other small aquatic invertebrates. Pond loaches are very hardy fish that can live in poor-quality water, and can survive short periods of drought by producing a layer of moisture-trapping mucus to keep ...
Thus, they usually do not eat as much as the dominant fish do, because of reduced energy, but also because of the increased danger they face when they leave their anemone since they are smaller. In other words, the larger fish will usually travel farther than the smaller fish. Generally, the A. ocellaris feed on algae, copepods, and zooplankton.
This toxin results in the fish developing bleeding lesions, and their skin flakes off in the water. The dinoflagellates then eat the blood and flakes of tissue while the affected fish die. [33] Fish kills by this dinoflagellate are common, and they may also have been responsible for kills in the past which were thought to have had other causes ...
In respect of fishing techniques, cyanide fishing is a specific method of collecting live fish, mainly for use in aquariums, which involves spraying a sodium cyanide mixture into the desired fish's habitat in order to incapacitate the fish. This practice affects not only the target population, it also has negative and damaging effects on many ...
Behr did not have a fever but felt hot to the touch. The vet placed Behr on prednisone 20 mg, 1.5 tabs twice a day for 7 days, then it will be one twice a day, then one a day, for 21 days total ...
Otocinclus are popular aquarium fish, and they are often purchased as algae eaters. It is difficult to breed them in captivity, and only wild caught Otocinclus are available to hobbyists. This genus is widely distributed east of the Andes of South America , throughout the lowlands from northern Venezuela to northern Argentina , but are ...