Bsfl
Discoid Roaches vs BSFL: Which Feeder Insect Is Better?
Discoid Roaches vs BSFL: Complete Feeder Insect Comparison
Discoid roaches and black soldier fly larvae (BSFL) are two of the most nutritionally valuable feeder insects available — but they fill completely different roles in your reptile's diet. Roaches are your protein workhorse. BSFL are your calcium powerhouse. Understanding the difference means you can build a rotation that covers both macronutrient needs without over-relying on supplements.
At All Angles Creatures, we breed both discoid roaches and sell premium BSFL — so this comparison is based on firsthand experience raising, shipping, and feeding both to hundreds of species.
Nutrition Side-by-Side
| Metric | Discoid Roaches | BSFL |
|---|---|---|
| Protein | 20% | 17% |
| Fat | 7% | 14% |
| Calcium (mg/kg) | 800 | 9,340 |
| Ca:P Ratio | 0.77:1 | 1.52:1 |
| Moisture | 61% | 61% |
| Gut-loadable? | Yes — highly | No |
When to Use Discoid Roaches
Discoid roaches should be your daily protein staple. At 20% protein and only 7% fat, they deliver the highest protein-to-fat ratio of any common feeder. They are gut-loadable — meaning you can boost their vitamin and mineral content by feeding them nutrient-dense vegetables 24-48 hours before offering them to your reptile. This makes roaches a customizable nutrition delivery system.
- Daily feeding for bearded dragons, leopard geckos, chameleons, monitors, tegus
- 3-5x per week as the primary protein source in any rotation
- All life stages — from small nymphs for juveniles to adult roaches for large reptiles
- Long shelf life — roaches live 6-12 months with basic care
When to Use BSFL
BSFL should be your calcium supplement feeder. At 9,340 mg/kg calcium with a positive 1.52:1 Ca:P ratio, they are the only common feeder insect that delivers more calcium than phosphorus. This means every BSFL your reptile eats actively builds calcium stores rather than depleting them — no dusting powder required.
- 1-3x per week as a calcium-boosting supplement alongside roaches
- Juveniles and gravid females with elevated calcium demands
- Species prone to MBD — bearded dragons, chameleons, leopard geckos
- Reduce supplement dependency — fewer dustings needed when BSFL are in the rotation
They Are Complementary, Not Competing
The best reptile diet uses both. Discoid roaches provide the protein foundation 3-5 days per week. BSFL provide natural calcium 1-3 days per week. Together, they cover the two most critical nutritional needs — protein and calcium — from whole food sources rather than synthetic powders.
Add silkworms for low-fat variety and hornworms for hydration, and you have the most complete feeder rotation available.
Storage Comparison
| Factor | Discoid Roaches | BSFL |
|---|---|---|
| Shelf life | 6-12 months | 2-3 weeks |
| Temperature | Room temp (70-90°F) | Cool (50-60°F) |
| Feeding required? | Yes — gut-load with vegetables | No — do not feed |
| Smell | None | None |
| Noise | None | None |
The Bottom Line
If you can only buy one feeder, buy discoid roaches — they are the best all-around daily staple. If you can buy two, add BSFL for calcium. If you can buy four, add silkworms and hornworms for the complete rotation.
Shop discoid roaches and BSFL — shipped fresh from our Florida facility with our live arrival guarantee.
— Matt, Founder, All Angles Creatures
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