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Quiz about Freshwater Aquarium Fish
Quiz about Freshwater Aquarium Fish

Freshwater Aquarium Fish Trivia Quiz


A few fish-keeping questions, but mostly about the fish. All these fishes appear from time to time in a good aquarium store. How well do you know them?

A multiple-choice quiz by hawgshoes. Estimated time: 6 mins.
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Author
hawgshoes
Time
6 mins
Type
Multiple Choice
Quiz #
119,466
Updated
Dec 03 21
# Qns
10
Difficulty
Very Difficult
Avg Score
4 / 10
Plays
2325
Last 3 plays: Guest 31 (5/10), gogetem (7/10), Guest 41 (5/10).
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Question 1 of 10
1. Gut bacteria help these catfishes digest wood. Hint


Question 2 of 10
2. The disease-causing microsporidian Pleistophora hyphessobryconis was discovered in farmed varieties of Hint


Question 3 of 10
3. Most of the U.S. commercial farms for ornamental fishes are in Florida's alkaline waters, which create difficulties in breeding Hint


Question 4 of 10
4. Your fishes didn't come from the store in a plastic bag of water, but as eggs sent in the mail wrapped in damp peat moss in a baggie. They are Hint


Question 5 of 10
5. "Fishless cycling" involves Hint


Question 6 of 10
6. Tiger Barbs have developed a difficult reputation in many community tanks Hint


Question 7 of 10
7. Tetras are characoids; they have cousins in ___, while cyprinids assume the ecological roles of characoids in ____. Hint


Question 8 of 10
8. The first glass domestic aquariums were to be found Hint


Question 9 of 10
9. This feisty loner, a labyrinth fish related to Betta splendens, was the first "tropical fish" to be seen in Europe, imported to France in 1869. It is Hint


Question 10 of 10
10. Bizarre Farlowella and Sturisoma species are better known as Hint



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quiz
Quiz Answer Key and Fun Facts
1. Gut bacteria help these catfishes digest wood.

Answer: Panaque species

No vertebrate can digest cellulose or lignin on its own. Panaque species have symbiotic gut bacteria, first identified in the 1990s,that help the fish digest the splinters of sunken wood it likes to gnaw on.
2. The disease-causing microsporidian Pleistophora hyphessobryconis was discovered in farmed varieties of

Answer: Neon Tetras

The disease is still often called "Neon Tetra Disease" though other fishes, even some non-tetras, are also susceptible to this minute intracellular parasite. Its specific name "hyphessobryconis" refers to the Neon Tetra's genus and might have given you a clue.
3. Most of the U.S. commercial farms for ornamental fishes are in Florida's alkaline waters, which create difficulties in breeding

Answer: Cardinal Tetras

Though the other fish are not all commonly bred in open pools, they are not notably fussy about the hardness or alkalinity of their water either. Cardinal Tetras, on the other hand, require extremely soft, acidic, tannin-loaded "blackwater." Most Cardinal Tetras on the U.S. market are still caught wild in the mid reaches of the Rio Negro.
4. Your fishes didn't come from the store in a plastic bag of water, but as eggs sent in the mail wrapped in damp peat moss in a baggie. They are

Answer: Aphyosemion species, African killifish.

Aphyosemion and other killifish get through dry seasons in their West African homeland by burying their eggs in the muddy bottom. The adult fish may die when water levels recede, but the eggs survive. Killie fanatics exchange the carefully packed eggs through the mail. No rainbowfish or cichlids are specialized in this way.

The real "rainfishes" are South American annual killifish, but you should have recognized Ichthyophthirius as no rainfish at all. Instead, it's a ciliate parasite, the common and dreaded "Ick!"
5. "Fishless cycling" involves

Answer: dosing a new aquarium with household ammonia.

Though a new aquarium should be innoculated with nitrifying bacteria to start the "nitrogen cycle," which converts ammonia to harmless nitrate, "fishless cycling" substitutes small doses of bottled ammonia for the ammonia excreted by a few hardy "starter" fish, to get the nitrogen cycle going in a more humane way.
6. Tiger Barbs have developed a difficult reputation in many community tanks

Answer: because of their too-lively pecking order.

Lone Tiger Barbs may harass their tankmates. Tiger Barbs kept in a group of six or more will concentrate their energies on their conspecifics. Their appetite for the fast-growing floating weed, duckweed, might be counted a virtue!
7. Tetras are characoids; they have cousins in ___, while cyprinids assume the ecological roles of characoids in ____.

Answer: Africa; Africa and Asia

Characoids apparently developed in Gondwana, before South America and Africa rifted apart. Both the South American and African tetras are characoids. One Mexican characoid, Astyanax, can be found in some south Texas waters, it is true. But there are no characoid fishes, such as tetras, in Asia, and no cyprinid fishes, such as barbs and loaches, in Australia
8. The first glass domestic aquariums were to be found

Answer: in Victorian England

The glass aquarium in a metal frame was a development of the "Wardian case" by which live plants were being shipped from the Far East to England-- exposed to necessary daylight but protected from salt spray-- after 1830. The popularity of home aquariums, first in Britain, dates from the 1850s.

The Chinese were the first to enjoy fishes indoors, but in porcelain bowls, not in glass bowls or aquariums.
9. This feisty loner, a labyrinth fish related to Betta splendens, was the first "tropical fish" to be seen in Europe, imported to France in 1869. It is

Answer: the Paradisefish.

The Siamese Fighting Fish *is* Betta splendens. You wouldn't normally call its Anabantoid cousin the Dwarf Gourami a feisty loner; Dwarf Gouramis are familiar community tank denizens. The Paradisefish, Macropodus opercularis, was a garden pool fish in southern China. Glassfish aren't even Anabantoids; the reprehensible custom of streaking them with day-glo colors became common after 1980.
10. Bizarre Farlowella and Sturisoma species are better known as

Answer: twig catfishes

These Loricariids from South America are well disguised as delicate twigs, even to patterns like peeling bark and minute knotholes.
Source: Author hawgshoes

This quiz was reviewed by FunTrivia editor crisw before going online.
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