cardinal tetra: meaning, definition, pronunciation and examples
LowTechnical/Specific (Aquarium hobby, ichthyology)
Quick answer
What does “cardinal tetra” mean?
A small, brightly colored freshwater fish, Paracheirodon axelrodi, native to South America, characterized by a vivid red lower body and a striking blue stripe.
Audio
Pronunciation
Definition
Meaning and Definition
A small, brightly colored freshwater fish, Paracheirodon axelrodi, native to South America, characterized by a vivid red lower body and a striking blue stripe.
A popular ornamental aquarium fish, often used to establish the term "neon" (as in neon tetra) in the aquarium hobby. Its striking appearance makes it a benchmark for color in freshwater aquascaping.
Dialectal Variation
British vs American Usage
Differences
No significant differences in usage or meaning. Spelling remains identical.
Connotations
None specific to either variety.
Frequency
Equally low frequency in both regions, used almost exclusively within the aquarium hobby.
Grammar
How to Use “cardinal tetra” in a Sentence
The [adj] cardinal tetra [verb] in the tank.I keep/breed/own cardinal tetras.Vocabulary
Collocations
Examples
Examples of “cardinal tetra” in a Sentence
adjective
British English
- The cardinal-tetra population is thriving.
- She prefers a cardinal-tetra biotope.
American English
- The cardinal tetra population is thriving.
- She prefers a cardinal tetra biotope.
Usage
Meaning in Context
Business
Used in the pet trade and aquarium supply industry.
Academic
Used in ichthyology, zoology, and ecological studies of the Amazon basin.
Everyday
Very rare, except among aquarium enthusiasts.
Technical
Standard term in aquarium keeping, fish breeding, and aquatic taxonomy.
Vocabulary
Synonyms of “cardinal tetra”
Neutral
Weak
Watch out
Common Mistakes When Using “cardinal tetra”
- Confusing it with the similar 'neon tetra' (Paracheirodon innesi), which has less red coloration. Misspelling as 'cardnial tetra' or 'tetre'.
FAQ
Frequently Asked Questions
They are considered moderately easy but require stable, soft, acidic water conditions to thrive.
In a well-maintained aquarium, they can live for 4 to 5 years.
They are omnivores and accept a varied diet including quality flake food, micro pellets, and small live or frozen foods like brine shrimp.
Yes, they are peaceful schooling fish and do well with other small, non-aggressive species in a community tank.
A small, brightly colored freshwater fish, Paracheirodon axelrodi, native to South America, characterized by a vivid red lower body and a striking blue stripe.
Cardinal tetra is usually technical/specific (aquarium hobby, ichthyology) in register.
Cardinal tetra: in British English it is pronounced /ˈkɑːdɪnəl ˈtɛtrə/, and in American English it is pronounced /ˈkɑrdɪnəl ˈtɛtrə/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Imagine a tiny CARDINAL (the red bird) wearing a bright blue stripe, swimming in a TETRA-pack of juice (a pun on 'tetra' and a common fish food brand).
Conceptual Metaphor
A LIVING JEWEL; a FLASHING NEON SIGN (referencing its vivid colors and the 'neon tetra' connection).
Practice
Quiz
What is the primary characteristic that distinguishes a cardinal tetra from a neon tetra?