In a 60-gallon freshwater tank, you can keep about 60 inches of fish based on the one inch per gallon rule. Select compatible species such as tetras, angelfish, and corydoras. Focus on proper tank maintenance, efficient filtration, and maintaining good water quality. Always consider the size of the fish for a healthy environment. Generally, a … Read more

In a 25-gallon freshwater aquarium, you can keep about 25 inches of fish. A common rule is one inch of fish per gallon of water. Choose smaller, non-aggressive fish, ideally under 4 inches. For example, you could have 12 goldfish. Always check water quality for a healthy environment. Additionally, consider the filtration and aeration in … Read more

NOAA Fisheries identifies 165 marine species as endangered or threatened. This includes 80 endangered and 85 threatened fish species. The International Union for the Conservation of Nature (IUCN) reports that over 1,600 fish species face global threats and are classified as endangered or critically endangered. Additionally, many freshwater species, such as the United States’ sturgeon, … Read more

In 2018, global aquaculture produced 114.5 million metric tons of fish. This included 49.8 million tons of finfish, 16.1 million tons of shellfish, and 6.9 million tons of crustaceans. The market value of this fish harvest was about US$160.2 billion, showing significant growth trends in seafood production. Currently, millions of fish are cultivated in aquaculture … Read more

California has 67 native freshwater fish species. This includes both resident and anadromous fish. The state also has 53 non-native freshwater species and 5 marine species that inhabit freshwater. In total, California has 125 freshwater fish species, with 100 recognized taxa, including subspecies and unique evolutionary significant units. California’s unique freshwater environments, such as rivers, … Read more

According to the International Union for Conservation of Nature (IUCN), there are 643 endangered fish species worldwide. NOAA Fisheries reports 165 endangered or threatened marine species in the U.S. Furthermore, nearly one-third of freshwater fish are at risk, highlighting the need for conservation to combat human impact and extinction threats. The conservation status of endangered … Read more

Nevada has 11 native fish species classified as endangered. The state has a total of 61 native fish species. This total includes one threatened species, 20 state sensitive species, and seven game fish. Additionally, there are 16 unprotected fish species. Eleven fish species in Nevada are considered extinct. Nevada’s unique aquatic ecosystems harbor these fish. … Read more

Tropical fish thrive in stable environments. Rapid temperature changes over 2 degrees Fahrenheit (1 degree Celsius) can shock them and cause stress. This can harm their health or even lead to death. Always aim for gradual water changes to maintain stability and prevent harmful fluctuations in their habitat. Before changing water, measure both the tank … Read more

In a forty-gallon breeder tank, you can keep 10 to 20 smaller or medium community fish. For larger fish, aim for 1 to 3, based on their size. If you choose goldfish, use a guideline of 10 to 20 gallons per fish, allowing for 2 to 4 adult goldfish. Always consider fish compatibility and maintain … Read more

Betta fish, known as Betta splendens, have 21 chromosomes. This includes 14 submetacentric chromosomes and 7 acrocentric chromosomes. The karyotype shows their genetics, affecting breeding and traits. Betta fish are native to Thailand and have been domesticated there for over 1,000 years. The genetic richness of Betta fish allows aquarists to produce distinct offspring with … Read more