A) Barbels around their mouth B) Bright coloration C) Adipose fin D) Dorsal fin with spines
A) Rounded and globular B) Elongated and cylindrical C) Compressed and disc-shaped D) Square and flat
A) They are always aggressive. B) They require extremely bright lighting. C) They spend most of their time near the bottom of the tank/river. D) They only eat food that floats on the surface.
A) On the tail fin B) Below the eye C) On the belly D) On the dorsal fin
A) Defense B) Attracting mates C) Sensing prey D) Digging in the substrate
A) Nemacheilidae B) Botiidae C) Gastromyzontidae D) Cobitidae
A) Loud vocalizations B) Aggressive schooling C) Hiding D) Surface swimming
A) Cobitidae B) Balitoridae C) Nemacheilidae D) Botiidae
A) Cobitidae are always brightly colored. B) Cobitidae typically have smaller suborbital spines. C) Botiidae have no barbels. D) Botiidae are always tiny.
A) Deep lakes B) Brackish estuaries C) Stagnant ponds D) Fast-flowing rivers
A) Cobitidae B) Botiidae C) Psuedonemacheilidae D) Balitoridae/Gastromyzontidae
A) Flattened body B) Large dorsal fin C) Lack of scales D) Bright colors
A) Clown Loach (Chromobotia macracanthus) B) Dwarf Chain Loach (Ambastaia sidthimunki) C) Kuhli Loach (Pangio kuhlii) D) Yoyo Loach (Botia almorhae)
A) Yasuhikotakia B) Chromobotia C) Botia D) Pangio
A) Number of barbels B) Body shape C) Body markings D) Water temperature preference (general fish keeping)
A) The ability to change sex B) Differences in appearance between males and females C) A preference for same-sex partners D) Lack of reproductive organs
A) Differences in body shape or coloration B) Males having longer barbels C) Females being smaller than males D) Only males having a suborbital spine
A) Because all loaches are venomous B) To win fish competitions C) To impress other hobbyists D) To provide appropriate care and tank conditions
A) No substrate B) Crushed coral C) Smooth sand or gravel D) Sharp gravel
A) Ich (white spot disease) B) Swim bladder disease C) Fin rot D) Dropsy
A) Giant Loaches B) Tiger Loaches C) Clown Loaches D) Dwarf Loaches
A) They only eat algae B) Omnivorous, eating a variety of foods C) Strictly herbivorous D) Strictly carnivorous
A) Cobitidae B) Nemacheilidae C) Gastromyzontidae D) Botiidae
A) They are only found in South America. B) Always bright red in color. C) Often have dark vertical bands. D) Have no barbels.
A) Loss of appetite B) Active and alert behavior C) Lethargic and hiding constantly D) Erratic swimming
A) Loaches' peaceful nature and similar water parameter requirements B) Size differences, the larger the better C) Aggressiveness to keep the loaches in check D) Whether the fish are brightly colored
A) They don't contribute to the ecosystem. B) By producing oxygen for other fish C) By controlling algae growth D) By scavenging for leftover food and detritus
A) Overeating and obesity B) They require saltwater. C) Aggression towards tank mates D) Sensitivity to medications and poor water quality |