Black dots on dorsal Fin
Accuracy: Low
Reason: With more new breeds coming out each day, it is impossible.
Body shape / size
Accuracy: Low
Reason: Lack of nutrition / fight for food may results in smaller size Flower Horn.
Colouration
Accuracy: Low
Reason: Each specie varies.
Fin
Accuracy: Low
Reason: Each specie varies.
Stripes
Accuracy: Medium
Reason: May signify disease or frightenend.
Venting
Accurary: High
Reason: Male and female will have different anus appearance. Applicable to 4 months or older.
V shaped anus indicates a Male.
U shaped anus indicates a Female.