Name Andrew Blumhagen
Scientific Name of Fish* (Genus and species) Apistogramma cacatuoides "Yellow Flash"
Hobby Name of Fish Yellow Flash Cockatoo Cichlid
Method of Reproduction (Egg Scatterer/Livebearer/Mouth Brooder/Mop Spawner/Nest Builder/Pelvic Brooder/Substrate Spawner) Cave Spawn
Number and Gender Distribution of Parents (Pair/Trio (1 male and 2 females)/Reverse Trio (1 female and 2 males)/Group) M/F Pair
Origin of Parents (Wild Caught/Tank Raised/Mixed) Tank raised, sourced as fry from a JRAS auction
Approximate number of eggs or fry* est. 40
Date of Hatch or Birth* (MM/DD/YYYY) Jan 12-15 presumed, not observed
Date of Free Swimming If Hatched (MM/DD/YYYY) Jan 18, 2025
Approx. Number of Fry at 30 Days*
Approx. Number of Fry at 60 Days
Aquarium Conditions:
pH (0 to 14) Unknown
General Hardness (ppm) Unknown
Average Temperature (F) 75 degrees
Salinity (if brackish or marine) N/A
Average Nitrate (ppm) Unknown
Aquarium Size (L X W X H and Gallons) 24x12x12 15gal
Water Source Tap, Baltimore Dept Public Works
Water Changes (how much and how often) ~40% weekly
Filtration System(s) Air driven sponge
Additives (Salt, iron, etc.) N/A
Water condition notes: water parameters were not measured but deep tannin stain from furnishings suggest lower pH and hardness
Décor (Please include all that apply):
Live Plants Floating Guppy Grass (Najas)
Plastic Plants N/A
Wood Several pieces of Malaysian driftwood
Leaves N/A
Caves or Similar Hiding Places 1 coconut cave (selected as spawning site), 1 ceramic cave
Spawning mop N/A
Substrate (Gravel/Pea size gravel/Sand/None/Other; Please Specify) 1/4" play sand
Lighting Type and Timing LED 4pm - 10pm, ambient room light otherwise
Food Fed to Parents and How Often* Alternating enriched frozen brine shrimp and spirulina flakes daily
Food Fed to Fry and How Often* Powdered fry food 3-4 times daily
Other notes: male removed from tank 1 day after free-swimming fry were observed to avoid violence by the female protecting the brood.
Female in breeding dress shepherding food-foraging fry (some are barely visible on the end of the driftwood).