Add betta fish breeds to VBO

[kevinschaper]

Summary

This PR adds support for Betta splendens (Siamese fighting fish) breeds to the Vertebrate Breed Ontology.

New Terms Added

• Parent term: betta breed (VBO:7770010) - A grouping term for all Betta splendens varieties
• Nine betta varieties based on tail type classification:
  • Halfmoon (VBO:7770011) - Most popular form with 180-degree tail spread
  • Crowntail (VBO:7770012) - Distinctive crown-like tail with reduced webbing
  • Plakat (VBO:7770013) - Short-finned variety, closest to wild type
  • Veiltail (VBO:7770014) - Most common variety with long flowing tail
  • Delta (VBO:7770015) - Tail spreads less than 180 degrees
  • Double Tail (VBO:7770016) - Split caudal fin
  • Rosetail (VBO:7770017) - Extreme branching creating rose-like appearance
  • Combtail (VBO:7770018) - Between crowntail and regular fins
  • Spade Tail (VBO:7770019) - Spade-shaped caudal fin

Standards and Sources

All terms follow:

• International Betta Congress (IBC) standards for betta classification
• VBO formatting guidelines with proper:
  • Taxonomy assignment (NCBITaxon:158456 for Betta splendens)
  • Source attribution from IBC, Wikipedia, and aquarium resources
  • Synonym management with most_common_name annotations
  • ORCID contributor metadata

Validation

• ✅ Syntax validated with robot convert
• ✅ IDs assigned from VBO:777xxxx range (new term requests)
• ✅ All terms include proper provenance and sources
• ✅ Follows existing fish breed patterns (zebrafish, goldfish)

Test plan

• Verify all new term IDs are unique and in correct range
• Validate OBO syntax passes robot convert
• Confirm proper taxonomy relationships to Betta splendens
• Check all sources are properly attributed
• Ensure synonyms follow VBO conventions

🤖 Generated with Claude Code